add dependencies for matroska audio and nut muxers over lavc

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@12339 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavcodec/Makefile

@@ -299,7 +299,9 @@ OBJS-$(CONFIG_ADPCM_YAMAHA_DECODER)    += adpcm.o
 OBJS-$(CONFIG_ADPCM_YAMAHA_ENCODER)    += adpcm.o
 
 # libavformat dependencies
+OBJS-$(CONFIG_MATROSKA_AUDIO_MUXER)    += xiph.o
 OBJS-$(CONFIG_MATROSKA_MUXER)          += xiph.o
+OBJS-$(CONFIG_NUT_MUXER)               += mpegaudiodata.o
 OBJS-$(CONFIG_OGG_MUXER)               += xiph.o
 
 # external codec libraries