Fixed some issues found by winapi_check.

diff --git a/dlls/x11drv/x11ddraw.c b/dlls/x11drv/x11ddraw.c
index 635a3b9..47f2ce9 100644
--- a/dlls/x11drv/x11ddraw.c
+++ b/dlls/x11drv/x11ddraw.c
@@ -4,7 +4,10 @@
  * Copyright 2001 TransGaming Technologies, Inc.
  */
 
+#include "config.h"
+
 #include <string.h>
+
 #include "ts_xlib.h"
 #include "x11drv.h"
 #include "x11ddraw.h"