Import Wine commit: bbce5d014d
Since there's not really something sensible to do in the
"path contains no backslashes" case (adding a backslash seems pointless),
move PathAddBackslashW call inside the if condition to avoid the crash.
Fix suggested by Thomas Faber.
This fixes heap assert in msi/dialog.c when installing Tortoise GIT.
CORE-16693
Co-authored-by: Thomas Faber <thomas.faber@reactos.org>
Co-authored-by: Fabian Maurer <dark.shadow4@web.de>
2bc44bf95c