mshtml: Don't crash in before_async_open if there is no client site.
[wine] / dlls / winenas.drv /
drwxr-xr-x   ..
-rw-r--r-- 328 Makefile.in
-rw-r--r-- 45336 audio.c
-rw-r--r-- 2628 nas.c
-rw-r--r-- 1028 nas.h
-rw-r--r-- 142 winenas.drv.spec