add test

Author: ludviggunne

test/cfg/windows.cpp

@@ -615,6 +615,23 @@ void memleak_malloca()
     // cppcheck-suppress memleak
 }
 
+void memleak_create_locale()
+{
+    {
+        // memleak
+        (void) _create_locale(LC_ALL, "C");
+        (void) _wcreate_locale(LC_ALL, L"C");
+        // cppcheck-suppress memleak
+    }
+    {
+        // no memleak
+        _locale_t locale = _create_locale(LC_ALL, "C");
+        _locale_t wlocale = _wcreate_locale(LC_ALL, L"C");
+        _free_locale(locale);
+        _free_locale(wlocale);
+    }
+}
+
 void memleak_AllocateAndInitializeSid()
 {
     PSID pEveryoneSID = NULL;