demux_mpg_probe() seek to the initial position before returning - patch by reimar

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@22112 b3059339-0415-0410-9bf9-f77b7e298cf2

libmpdemux/demux_mpg.c

@@ -673,6 +673,8 @@ static int demux_mpg_probe(demuxer_t *demuxer) {
             mp_msg(MSGT_DEMUXER,MSGL_V,MSGTR_NotSystemStream);
         }
   }
+  //FIXME this shouldn't be necessary
+  stream_seek(demuxer->stream,tmppos);
   return file_format;
 }