Merge commit '7ba0cedb'

* commit '7ba0cedb':
  rpza: Fix a buffer size check
Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/rpza.c

@@ -204,7 +204,7 @@ static void rpza_decode_stream(RpzaContext *s)
 
         /* Fill block with 16 colors */
         case 0x00:
-            if (s->size - stream_ptr < 16)
+            if (s->size - stream_ptr < 30)
                 return;
             ADVANCE_BLOCK();
             block_ptr = row_ptr + pixel_ptr;