Add missed call to ff_cavsdsp_init_3dnow() in dsputil_init_mmx()

Originally committed as revision 12540 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/i386/dsputil_mmx.c

@@ -1710,6 +1710,7 @@ PREFETCH(prefetch_3dnow, prefetch)
 
 /* CAVS specific */
 void ff_cavsdsp_init_mmx2(DSPContext* c, AVCodecContext *avctx);
+void ff_cavsdsp_init_3dnow(DSPContext* c, AVCodecContext *avctx);
 
 void ff_put_cavs_qpel8_mc00_mmx2(uint8_t *dst, uint8_t *src, int stride) {
     put_pixels8_mmx(dst, src, stride, 8);
@@ -2328,6 +2329,9 @@ void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx)
 
             c->avg_h264_chroma_pixels_tab[0]= avg_h264_chroma_mc8_3dnow_rnd;
             c->avg_h264_chroma_pixels_tab[1]= avg_h264_chroma_mc4_3dnow;
+
+            if (ENABLE_CAVS_DECODER)
+                ff_cavsdsp_init_3dnow(c, avctx);
         }