Paul Vriens : msi/tests: Prevent a crash on NT4.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 2dfcb9421158246e62bf80ea1a9cab9a2f606f8f
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=2dfcb9421158246e62bf80ea1a9cab9a2f606f8f

Author: Paul Vriens <Paul.Vriens.Wine at gmail.com>
Date:   Sat Sep 13 15:48:16 2008 +0200

msi/tests: Prevent a crash on NT4.

---

 dlls/msi/tests/source.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/dlls/msi/tests/source.c b/dlls/msi/tests/source.c
index 30b5be0..9248b70 100644
--- a/dlls/msi/tests/source.c
+++ b/dlls/msi/tests/source.c
@@ -130,6 +130,8 @@ static int get_user_sid(LPSTR *usersid)
     PTOKEN_USER user;
     BOOL rc;
 
+    if (!pConvertSidToStringSidA)
+        return 0;
     rc=OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &token);
     if (!rc && GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
         return 0;