[Bug 8226] DlgDirListComboBox does not fail properly on bad path spec argument

[Wine Bugs]

http://bugs.winehq.org/show_bug.cgi?id=8226

------- Additional Comments From [e-mail]  2007-29-04 22:51 -------
Created an attachment (id=6029)
 --> (http://bugs.winehq.org/attachment.cgi?id=6029&action=view)
patch to dlls/user32/listbox.c

This makes LISTBOX_Directory behave like in windows so that an attrib of only
DDL_DRIVES is equivalent to DDL_DRIVES|DDL_EXCLUSIVE.