Add missing entry for ADPCM_EA_MAXIS_XA_DECODER.

patch by Peter Ross, pross xvid org


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@13882 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavcodec/Makefile

@@ -274,6 +274,7 @@ OBJS-$(CONFIG_ADPCM_ADX_DECODER)       += adxdec.o
 OBJS-$(CONFIG_ADPCM_ADX_ENCODER)       += adxenc.o
 OBJS-$(CONFIG_ADPCM_CT_DECODER)        += adpcm.o
 OBJS-$(CONFIG_ADPCM_EA_DECODER)        += adpcm.o
+OBJS-$(CONFIG_ADPCM_EA_MAXIS_XA_DECODER) += adpcm.o
 OBJS-$(CONFIG_ADPCM_EA_R1_DECODER)     += adpcm.o
 OBJS-$(CONFIG_ADPCM_EA_R2_DECODER)     += adpcm.o
 OBJS-$(CONFIG_ADPCM_EA_R3_DECODER)     += adpcm.o