The IPMI driver include file needs to include compiler.h so it
has definitions for __user and such.

Signed-off-by: Corey Minyard <minyard@acm.org>

Index: linux-2.6.13-rc5/include/linux/ipmi.h
===================================================================
--- linux-2.6.13-rc5.orig/include/linux/ipmi.h
+++ linux-2.6.13-rc5/include/linux/ipmi.h
@@ -35,6 +35,7 @@
 #define __LINUX_IPMI_H
 
 #include <linux/ipmi_msgdefs.h>
+#include <linux/compiler.h>
 
 /*
  * This file describes an interface to an IPMI driver.  You have to