wl1251: move include guard after the license

Signed-off-by: NKalle Valo <kvalo@adurom.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/wl12xx/wl1251_ps.h

-#ifndef __WL1251_PS_H__
-#define __WL1251_PS_H__
-
 /*
  * This file is part of wl1251
  *
@@ -23,6 +20,9 @@
  *
  */
 
+#ifndef __WL1251_PS_H__
+#define __WL1251_PS_H__
+
 #include "wl1251.h"
 #include "wl1251_acx.h"