avformat/Makefile: Fixed missing rawutils.o reference (required by movenc.c)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

libavformat/Makefile

@@ -268,7 +268,8 @@ OBJS-$(CONFIG_MMF_DEMUXER)               += mmf.o
 OBJS-$(CONFIG_MMF_MUXER)                 += mmf.o rawenc.o
 OBJS-$(CONFIG_MOV_DEMUXER)               += mov.o mov_chan.o replaygain.o
 OBJS-$(CONFIG_MOV_MUXER)                 += movenc.o avc.o hevc.o \
-                                            movenchint.o mov_chan.o rtp.o movenccenc.o
+                                            movenchint.o mov_chan.o rtp.o \
+                                            movenccenc.o rawutils.o
 OBJS-$(CONFIG_MP2_MUXER)                 += mp3enc.o rawenc.o id3v2enc.o
 OBJS-$(CONFIG_MP3_DEMUXER)               += mp3dec.o replaygain.o
 OBJS-$(CONFIG_MP3_MUXER)                 += mp3enc.o rawenc.o id3v2enc.o