Reduce warnings about too few consumed bytes to debug level.

Fixes issue1061.

Originally committed as revision 20772 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/h264.c

@@ -7547,11 +7547,7 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size){
         }
 
         if (h->is_avc && (nalsize != consumed) && nalsize){
-            int i, debug_level = AV_LOG_DEBUG;
-            for (i = consumed; i < nalsize; i++)
-                if (buf[buf_index+i])
-                    debug_level = AV_LOG_ERROR;
-            av_log(h->s.avctx, debug_level, "AVC: Consumed only %d bytes instead of %d\n", consumed, nalsize);
+            av_log(h->s.avctx, AV_LOG_DEBUG, "AVC: Consumed only %d bytes instead of %d\n", consumed, nalsize);
         }
 
         buf_index += consumed;