[advapi32] Make sure it's a real cleanup.

[Paul Vriens]

Hi,

NULL as a parameter results in ERROR_INVALID_PARAMETER and nothing is deleted.

Changelog
  Make sure it's a real cleanup.

Cheers,

Paul.
---
 dlls/advapi32/tests/registry.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/dlls/advapi32/tests/registry.c b/dlls/advapi32/tests/registry.c
index 2341cad..c9a9e36 100644
--- a/dlls/advapi32/tests/registry.c
+++ b/dlls/advapi32/tests/registry.c
@@ -585,8 +585,8 @@ static void test_reg_create_key(void)
     ok(!ret, "RegCreateKeyExA failed with error %ld\n", ret);
 
     /* clean up */
-    RegDeleteKey(hkey2, NULL);
-    RegDeleteKey(hkey1, NULL);
+    RegDeleteKey(hkey2, "");
+    RegDeleteKey(hkey1, "");
 
     /*  beginning backslash character */
     ret = RegCreateKeyExA(hkey_main, "\\Subkey3", 0, NULL, 0, KEY_NOTIFY, NULL, &hkey1, NULL);
-- 
1.4.2.3