avcodec/Makefile: add missing h263data dependency to snow encoder

Signed-off-by: Lou Logan <lou@lrcd.com>

libavcodec/Makefile

@@ -587,7 +587,7 @@ OBJS-$(CONFIG_SMC_DECODER)             += smc.o
 OBJS-$(CONFIG_SMVJPEG_DECODER)         += smvjpegdec.o
 OBJS-$(CONFIG_SNOW_DECODER)            += snowdec.o snow.o snow_dwt.o
 OBJS-$(CONFIG_SNOW_ENCODER)            += snowenc.o snow.o snow_dwt.o             \
-                                          h263.o ituh263enc.o
+                                          h263.o h263data.o ituh263enc.o
 OBJS-$(CONFIG_SOL_DPCM_DECODER)        += dpcm.o
 OBJS-$(CONFIG_SONIC_DECODER)           += sonic.o
 OBJS-$(CONFIG_SONIC_ENCODER)           += sonic.o