[Bug 8246] invoking htmlhelp:HtmlHelpW crashes wine

[Wine Bugs]

http://bugs.winehq.org/show_bug.cgi?id=8246

------- Additional Comments From [e-mail]  2007-01-05 10:12 -------
Created an attachment (id=6058)
 --> (http://bugs.winehq.org/attachment.cgi?id=6058&action=view)
Check for failed CreateHelpViewer + debug

This patch should fix the crash and add some debug messages to understand why
CreateHelpViewer fails.
Hin-Tak, please try with this patch and post WINEDEBUG=+warn,+htmlhelp traces