Fix the #include order for config.h.
Add #include "config.h" directives where needed.

include/ts_xshm.h

diff --git a/include/ts_xshm.h b/include/ts_xshm.h
index b54294f..db4459c 100644
--- a/include/ts_xshm.h
+++ b/include/ts_xshm.h
@@ -2,14 +2,15 @@
  * Thread safe wrappers around XShm calls.
  * Always include this file instead of <X11/XShm.h>.
  * This file was generated automatically by tools/make_X11wrappers
- *
- * Copyright 1998 Kristian Nielsen
+ * DO NOT EDIT!
  */
 
 #ifndef __WINE_TS_XSHM_H
 #define __WINE_TS_XSHM_H
 
-#include "config.h"
+#ifndef __WINE_CONFIG_H
+# error You must include config.h to use this header
+#endif
 
 #ifdef HAVE_LIBXXSHM