Update ffmpeg.spec file.

extras/contrib/src/Patches/ffmpeg.spec

@@ -59,6 +59,7 @@ Group: Development/C
 /usr/include/ffmpeg/adler32.h
 /usr/include/ffmpeg/avcodec.h
 /usr/include/ffmpeg/avformat.h
+/usr/include/ffmpeg/avdevice.h
 /usr/include/ffmpeg/avio.h
 /usr/include/ffmpeg/avutil.h
 /usr/include/ffmpeg/common.h
@@ -80,16 +81,18 @@ Group: Development/C
 /usr/include/ffmpeg/opt.h
 /usr/include/ffmpeg/random.h
 /usr/include/ffmpeg/rgb2rgb.h
+/usr/include/postproc/postprocess.h
 /usr/lib/libavcodec.a
 /usr/lib/libavformat.a
 /usr/lib/libavutil.a
+/usr/lib/libavdevice.a
 /usr/lib/libpostproc.a
 /usr/lib/pkgconfig/libavcodec.pc
 /usr/lib/pkgconfig/libavformat.pc
 /usr/lib/pkgconfig/libavutil.pc
+/usr/lib/pkgconfig/libavdevice.pc
 /usr/lib/pkgconfig/libpostproc.pc
 /usr/lib/pkgconfig/libswscale.pc
-/usr/include/postproc/postprocess.h
 
 %description devel
 FFmpeg encoder and decoder libraries.