Add missing dependency for avr demuxer

Signed-off-by: Paul B Mahol <onemda@gmail.com>

libavformat/Makefile

@@ -56,7 +56,7 @@ OBJS-$(CONFIG_AVI_DEMUXER)               += avidec.o
 OBJS-$(CONFIG_AVI_MUXER)                 += avienc.o
 OBJS-$(CONFIG_AVISYNTH)                  += avisynth.o
 OBJS-$(CONFIG_AVM2_MUXER)                += swfenc.o swf.o
-OBJS-$(CONFIG_AVR_DEMUXER)               += avr.o
+OBJS-$(CONFIG_AVR_DEMUXER)               += avr.o rawdec.o
 OBJS-$(CONFIG_AVS_DEMUXER)               += avs.o vocdec.o voc.o
 OBJS-$(CONFIG_BETHSOFTVID_DEMUXER)       += bethsoftvid.o
 OBJS-$(CONFIG_BFI_DEMUXER)               += bfi.o