we really shouldnt use M$* as default codec -> use MPEG4 as default

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@1785 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavformat/avienc.c

@@ -560,7 +560,7 @@ static AVOutputFormat avi_oformat = {
     "avi",
     sizeof(AVIContext),
     CODEC_ID_MP2,
-    CODEC_ID_MSMPEG4V3,
+    CODEC_ID_MPEG4,
     avi_write_header,
     avi_write_packet,
     avi_write_trailer,