[PATCH 3/4] ntdll/tests: Don't trace invalid pointers (Valgrind).

[Sven Baars]

From: Sven Baars

This fixes a crash when value_data is equal to 0xdeadbeef.
---
 dlls/ntdll/tests/reg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/ntdll/tests/reg.c b/dlls/ntdll/tests/reg.c
index 952db9f594b..2f008d3156d 100644
--- a/dlls/ntdll/tests/reg.c
+++ b/dlls/ntdll/tests/reg.c
@@ -2547,7 +2547,7 @@ static NTSTATUS WINAPI query_routine(const WCHAR *value_name, ULONG value_type,
     ULONG expected_type;

trace("Value name: %s\n", debugstr_w(value_name));
-    trace("Value data: %s\n", debugstr_w(value_data));
+    if (value_data_size) trace("Value data: %s\n", debugstr_w(value_data));

if (!(test->flags & SKIP_NAME_CHECK))
     {