wlanapi/tests: Always free interface list (Valgrind).

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/wlanapi/tests/wlanapi.c

@@ -152,6 +152,7 @@ static void test_WlanEnumInterfaces(void)
     {
         skip("No wireless interfaces\n");
         WlanCloseHandle(handle, NULL);
+        WlanFreeMemory(list);
         return;
     }