Change MAX_READ_SIZE message during av_find_stream_info to DEBUG level.

It is not harmful and it scares too many users.

Originally committed as revision 23139 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/utils.c

@@ -2201,7 +2201,7 @@ int av_find_stream_info(AVFormatContext *ic)
         /* we did not get all the codec info, but we read too much data */
         if (read_size >= ic->probesize) {
             ret = count;
-            av_log(ic, AV_LOG_WARNING, "MAX_READ_SIZE:%d reached\n", ic->probesize);
+            av_log(ic, AV_LOG_DEBUG, "MAX_READ_SIZE:%d reached\n", ic->probesize);
             break;
         }