pdh/tests: Some tests require that the user interface be in English.

[Francois Gouget]

With MUI versions of Windows checking for the default user language id is insufficient.
---

See also:
http://www.winehq.org/pipermail/wine-patches/2011-September/106732.html

 dlls/pdh/tests/pdh.c |   19 ++++++++++++++++++-
 1 files changed, 18 insertions(+), 1 deletions(-)

diff --git a/dlls/pdh/tests/pdh.c b/dlls/pdh/tests/pdh.c
index 094ad74..2e9b922 100644
--- a/dlls/pdh/tests/pdh.c
+++ b/dlls/pdh/tests/pdh.c
@@ -37,6 +37,23 @@ static PDH_STATUS   (WINAPI *pPdhValidatePathExW)(PDH_HLOG, LPCWSTR);
 
 #define GETFUNCPTR(func) p##func = (void *)GetProcAddress( pdh, #func );
 
+
+static BOOL is_english(void)
+{
+    static HMODULE hkernel32 = NULL;
+    static LANGID (WINAPI *pGetUserDefaultUILanguage)(void) = NULL;
+
+    if (!hkernel32)
+    {
+        hkernel32 = GetModuleHandleA("kernel32.dll");
+        pGetUserDefaultUILanguage = (void*)GetProcAddress(hkernel32, "GetUserDefaultUILanguage");
+    }
+    if (pGetUserDefaultUILanguage)
+        return PRIMARYLANGID(pGetUserDefaultUILanguage()) == LANG_ENGLISH;
+
+    return PRIMARYLANGID(GetUserDefaultLangID()) == LANG_ENGLISH;
+}
+
 static void init_function_ptrs( void )
 {
     pdh = GetModuleHandle( "pdh" );
@@ -958,7 +975,7 @@ static void test_PdhGetDllVersion(void)
 
 START_TEST(pdh)
 {
-    if (PRIMARYLANGID(LANGIDFROMLCID(GetThreadLocale())) != LANG_ENGLISH)
+    if (!is_english())
     {
         skip("non-english locale\n");
         return;
-- 
1.7.5.4