movenc: add FIXME to add alis and rsrc atoms

Signed-off-by: Jean First <jeanfirst@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavformat/movenc.c

@@ -1036,6 +1036,7 @@ static int mov_write_dref_tag(AVIOContext *pb)
     avio_wb32(pb, 1); /* entry count */
 
     avio_wb32(pb, 0xc); /* size */
+    //FIXME add the alis and rsrc atom
     ffio_wfourcc(pb, "url ");
     avio_wb32(pb, 1); /* version & flags */