patch 8.0.0367: types in include files may be inconsistent

Problem:    If configure defines _LARGE_FILES some include files are included
            before it is defined.
Solution:   Include vim.h first. (Sam Thursfield, closes #1508)
diff --git a/src/gui_at_sb.c b/src/gui_at_sb.c
index bfdf6b6..659e934 100644
--- a/src/gui_at_sb.c
+++ b/src/gui_at_sb.c
@@ -60,11 +60,12 @@
 /* created by weissman, Mon Jul  7 13:20:03 1986 */
 /* converted by swick, Thu Aug 27 1987 */
 
+#include "vim.h"
+
 #include <X11/IntrinsicP.h>
 #include <X11/StringDefs.h>
 
 #include <X11/Xaw/XawInit.h>
-#include "vim.h"
 #include "gui_at_sb.h"
 
 #include <X11/Xmu/Drawing.h>