advapi32 registry test, fail gracefully when no permissions

[Jakob Eriksson]

ERROR_PRIVILEGE_NOT_HELD returned for NT4 here:

http://test.winehq.org/data/200504141000/nt4_IDWASEMPTY/advapi32:registry.txt
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Index: dlls/advapi32/tests/registry.c
===================================================================
RCS file: /home/wine/wine/dlls/advapi32/tests/registry.c,v
retrieving revision 1.18
diff -u -r1.18 registry.c
--- dlls/advapi32/tests/registry.c	13 Apr 2005 14:40:58 -0000	1.18
+++ dlls/advapi32/tests/registry.c	14 Apr 2005 18:35:54 -0000
@@ -357,6 +357,7 @@
     DWORD ret;
 
     ret = RegSaveKey(hkey_main, "saved_key", NULL);
+    if (ERROR_PRIVILEGE_NOT_HELD == ret) return;
     ok(ret == ERROR_SUCCESS, "expected ERROR_SUCCESS, got %ld\n", ret);
 }
 
@@ -366,6 +367,7 @@
     HKEY hkHandle;
 
     ret = RegLoadKey(HKEY_LOCAL_MACHINE, "Test", "saved_key");
+    if (ERROR_PRIVILEGE_NOT_HELD == ret) return;
     ok(ret == ERROR_SUCCESS, "expected ERROR_SUCCESS, got %ld\n", ret);
 
     ret = RegOpenKey(HKEY_LOCAL_MACHINE, "Test", &hkHandle);