don't arbitrarily limit delta_qp

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@5026 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavcodec/h264.c

@@ -5484,7 +5484,7 @@ static int decode_cabac_mb_dqp( H264Context *h) {
         else
             ctx = 3;
         val++;
-        if(val > 52) //prevent infinite loop
+        if(val > 102) //prevent infinite loop
             return INT_MIN;
     }