gnu: Rename (gnu packages oggvorbis) to (gnu packages xiph).

* gnu/packages/oggvorbis.scm: Rename this ...
* gnu/packages/xiph.scm: ... to this. Adjust module name accordingly.
* gnu-system.am (GNU_SYSTEM_MODULES): Update.
* gnu/packages/{gnunet.scm, libcanberra.scm, mp3.scm, pulseaudio.scm, sdl.scm,
    video.scm}: Use new module name.

gnu-system.am

@@ -147,7 +147,6 @@ GNU_SYSTEM_MODULES =				\
   gnu/packages/noweb.scm			\
   gnu/packages/ocaml.scm			\
   gnu/packages/ocrad.scm			\
-  gnu/packages/oggvorbis.scm			\
   gnu/packages/onc-rpc.scm			\
   gnu/packages/openldap.scm			\
   gnu/packages/openssl.scm			\
@@ -205,6 +204,7 @@ GNU_SYSTEM_MODULES =				\
   gnu/packages/wget.scm				\
   gnu/packages/which.scm			\
   gnu/packages/wordnet.scm			\
+  gnu/packages/xiph.scm				\
   gnu/packages/xlockmore.scm			\
   gnu/packages/xml.scm				\
   gnu/packages/xnee.scm				\

gnu/packages/gnunet.scm

@@ -28,10 +28,10 @@ (define-module (gnu packages gnunet)
   #:use-module (gnu packages gstreamer)
   #:use-module (gnu packages libjpeg)
   #:use-module (gnu packages libtiff)
-  #:use-module (gnu packages oggvorbis)
   #:use-module (gnu packages openssl)
   #:use-module (gnu packages pkg-config)
   #:use-module (gnu packages video)
+  #:use-module (gnu packages xiph)
   #:use-module ((guix licenses)
                 #:renamer (symbol-prefix-proc 'license:))
   #:use-module (guix packages)

gnu/packages/libcanberra.scm

@@ -25,8 +25,8 @@ (define-module (gnu packages libcanberra)
   #:use-module (gnu packages gstreamer)
   #:use-module (gnu packages gtk)
   #:use-module (gnu packages linux)
-  #:use-module (gnu packages oggvorbis)
-  #:use-module (gnu packages pkg-config))
+  #:use-module (gnu packages pkg-config)
+  #:use-module (gnu packages xiph))
 
 (define-public libcanberra
   (package

gnu/packages/mp3.scm

@@ -23,13 +23,13 @@ (define-module (gnu packages mp3)
   #:use-module (gnu packages autotools)
   #:use-module (gnu packages cdrom)
   #:use-module (gnu packages compression)
+  #:use-module (gnu packages gettext)
   #:use-module (gnu packages ghostscript)
   #:use-module (gnu packages glib)
   #:use-module (gnu packages gtk)
-  #:use-module (gnu packages oggvorbis)
   #:use-module (gnu packages pcre)
   #:use-module (gnu packages pkg-config)
-  #:use-module (gnu packages gettext)
+  #:use-module (gnu packages xiph)
   #:use-module (guix packages)
   #:use-module (guix download)
   #:use-module (guix build-system gnu))

gnu/packages/pulseaudio.scm

@@ -23,18 +23,18 @@ (define-module (gnu packages pulseaudio)
                 #:renamer (symbol-prefix-proc 'l:))
   #:use-module (guix build-system gnu)
   #:use-module (gnu packages)
-  #:use-module (gnu packages linux)
-  #:use-module (gnu packages oggvorbis)
-  #:use-module (gnu packages pkg-config)
+  #:use-module (gnu packages algebra)
+  #:use-module ((gnu packages autotools) #:select (libtool))
   #:use-module (gnu packages avahi)
+  #:use-module (gnu packages check)
+  #:use-module (gnu packages gdbm)
   #:use-module (gnu packages glib)
   #:use-module (gnu packages gtk)
   #:use-module (gnu packages libcanberra)
-  #:use-module (gnu packages algebra)
-  #:use-module ((gnu packages autotools) #:select (libtool))
-  #:use-module (gnu packages gdbm)
+  #:use-module (gnu packages linux)
   #:use-module (gnu packages m4)
-  #:use-module (gnu packages check)
+  #:use-module (gnu packages pkg-config)
+  #:use-module (gnu packages xiph)
   #:export (libsndfile
             libsamplerate
             json-c

gnu/packages/sdl.scm

@@ -28,10 +28,10 @@ (define-module (gnu packages sdl)
   #:use-module (gnu packages libtiff)
   #:use-module (gnu packages linux)
   #:use-module (gnu packages mp3)
-  #:use-module (gnu packages oggvorbis)
   #:use-module (gnu packages pkg-config)
   #:use-module (gnu packages pulseaudio)
   #:use-module (gnu packages gl)
+  #:use-module (gnu packages xiph)
   #:use-module (gnu packages xorg)
   #:export (sdl
             sdl2

gnu/packages/video.scm

@@ -25,11 +25,11 @@ (define-module (gnu packages video)
   #:use-module (gnu packages compression)
   #:use-module (gnu packages elf)
   #:use-module (gnu packages fontutils)
-  #:use-module (gnu packages oggvorbis)
   #:use-module (gnu packages openssl)
   #:use-module (gnu packages perl)
   #:use-module (gnu packages pkg-config)
   #:use-module (gnu packages python)
+  #:use-module (gnu packages xiph)
   #:use-module (gnu packages yasm))
 
 (define-public ffmpeg

gnu/packages/oggvorbis.scm → gnu/packages/xiph.scm

@@ -18,7 +18,7 @@
 ;;; You should have received a copy of the GNU General Public License
 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
 
-(define-module (gnu packages oggvorbis)
+(define-module (gnu packages xiph)
   #:use-module (gnu packages)
   #:use-module (gnu packages bison)
   #:use-module (gnu packages compression)
@@ -155,7 +155,7 @@ (define ao
     ;; FIXME: Add further backends, see the summary printed after configure.
     ;; XXX: Should back-ends be pushed to different outputs?  For instance,
     ;; "out" would include only the ALSA back-end, while "pulse" would
-    ;; contains 'lib/ao/plugins-4/libpulse.*'.
+    ;; contain 'lib/ao/plugins-4/libpulse.*'.
     (inputs `(("pkg-config" ,pkg-config)
               ("alsa-lib" ,alsa-lib)
               ("pulseaudio" ,pulseaudio)))