contribs: disable libfaac on Darwin (as part of ffmpeg) as it considered nonfree now

Signed-off-by: Felix Paul Kühne <fkuehne@videolan.org>

extras/contrib/src/Makefile

@@ -148,6 +148,7 @@ ifdef HAVE_DARWIN_OS
 X264CONF += --enable-pic
 FFMPEGCONF += --cc=$(CC)
 FFMPEGCONF += --arch=$(ARCH)
+FFMPEGCONF += --disable-libfaac
 ifdef HAVE_DARWIN_10
 FFMPEGCONF += --cpu=core2
 endif