Fix: libavcodec/msmpeg4.c:1612: warning: ‘dc_pred_dir’ may be used uninitialized in this function

Originally committed as revision 17106 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/msmpeg4.c

@@ -1609,7 +1609,7 @@ int ff_msmpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
                               int n, int coded, const uint8_t *scan_table)
 {
     int level, i, last, run, run_diff;
-    int dc_pred_dir;
+    int av_uninit(dc_pred_dir);
     RLTable *rl;
     RL_VLC_ELEM *rl_vlc;
     int qmul, qadd;