gnu: ffmpeg: Update to 2.7.2.

* gnu/packages/video.scm (ffmpeg): Update to 2.7.2.

gnu/packages/video.scm

@@ -369,14 +369,14 @@ (define-public libva
 (define-public ffmpeg
   (package
     (name "ffmpeg")
-    (version "2.7.1")
+    (version "2.7.2")
     (source (origin
              (method url-fetch)
              (uri (string-append "http://www.ffmpeg.org/releases/ffmpeg-"
                                  version ".tar.bz2"))
              (sha256
               (base32
-               "087pyx1wxvniq3wgj6z80wrb7ampwwsmwndmr7lymzhm4iyvj1vy"))))
+               "1wlygd0jp34dk4qagi4h9psn4yk8zgyj7zy9lrpm5332mm87bsvw"))))
     (build-system gnu-build-system)
     (inputs
      `(("fontconfig" ,fontconfig)