mshtml: Use special handling only for main documents in AsyncOpen.
[wine] / dlls / msvideo.dll16 /
drwxr-xr-x   ..
-rw-r--r-- 338 Makefile.in
-rw-r--r-- 2898 msvideo.dll16.spec
-rw-r--r-- 28918 msvideo16.c
-rw-r--r-- 3602 vfw16.h