diff --git a/[refs] b/[refs]
index 840f3e409641..4d26441853f4 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 643f720cea989d2913fc0120a2384fecc1be1f9a
+refs/heads/master: 89bbc03c01f68e627a2b120963f136e2815f0d84
diff --git a/trunk/include/linux/sysrq.h b/trunk/include/linux/sysrq.h
index 4812ff60561c..e657e523b9bf 100644
--- a/trunk/include/linux/sysrq.h
+++ b/trunk/include/linux/sysrq.h
@@ -11,6 +11,8 @@
  *	based upon discusions in irc://irc.openprojects.net/#kernelnewbies
  */
 
+#ifndef _LINUX_SYSRQ_H
+#define _LINUX_SYSRQ_H
 
 struct pt_regs;
 struct tty_struct;
@@ -57,3 +59,5 @@ static inline int __reterr(void)
 #define unregister_sysrq_key(ig,nore) __reterr()
 
 #endif
+
+#endif /* _LINUX_SYSRQ_H */