fix psp muxing (probably this fix is wrong but its better then nothing)

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@4086 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavformat/movenc.c

@@ -1539,7 +1539,7 @@ static AVOutputFormat psp_oformat = {
     mov_write_header,
     mov_write_packet,
     mov_write_trailer,
-    .flags = AVFMT_GLOBALHEADER,
+//    .flags = AVFMT_GLOBALHEADER,
 };
 
 static AVOutputFormat _3g2_oformat = {