secur32: Fix the ntlm tests crashing on Vista.
diff --git a/dlls/secur32/tests/ntlm.c b/dlls/secur32/tests/ntlm.c
index b1f6c3f..4667ef0 100644
--- a/dlls/secur32/tests/ntlm.c
+++ b/dlls/secur32/tests/ntlm.c
@@ -927,6 +927,8 @@
workgroup[] = "WORKGROUP",
test_pass[] = "testpass";
+ complex_data[1].pvBuffer = complex_data[3].pvBuffer = NULL;
+
/****************************************************************
* This is basically the same as in testAuth with a fake server,
* as we need a valid, authenticated context.