gnu: rename (gnu packages socat) to (gnu packages networking).

* gnu/packages/socat.scm: Rename this ...
* gnu/packages/networking.scm: ... to this.
* gnu-system.am (GNU_SYSTEM_MODULES): Change socat.scm to networking.scm.

gnu-system.am

@@ -217,6 +217,7 @@ GNU_SYSTEM_MODULES =				\
   gnu/packages/ncurses.scm			\
   gnu/packages/netpbm.scm			\
   gnu/packages/nettle.scm			\
+  gnu/packages/networking.scm			\
   gnu/packages/ninja.scm			\
   gnu/packages/node.scm				\
   gnu/packages/noweb.scm			\
@@ -273,7 +274,6 @@ GNU_SYSTEM_MODULES =				\
   gnu/packages/slang.scm			\
   gnu/packages/slim.scm				\
   gnu/packages/smalltalk.scm			\
-  gnu/packages/socat.scm			\
   gnu/packages/ssh.scm				\
   gnu/packages/stalonetray.scm			\
   gnu/packages/statistics.scm			\

gnu/packages/socat.scm → gnu/packages/networking.scm

@@ -16,7 +16,7 @@
 ;;; 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 socat)
+(define-module (gnu packages networking)
   #:use-module ((guix licenses) #:prefix license:)
   #:use-module (guix packages)
   #:use-module (guix download)