MIPS: bug.h Build fix - include <linux/compiler.h>.

In the past this file somehow used to be dragged in.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/include/asm/bug.h b/arch/mips/include/asm/bug.h
index 08ea468..6cf29c2 100644
--- a/arch/mips/include/asm/bug.h
+++ b/arch/mips/include/asm/bug.h
@@ -1,6 +1,7 @@
 #ifndef __ASM_BUG_H
 #define __ASM_BUG_H
 
+#include <linux/compiler.h>
 #include <asm/sgidefs.h>
 
 #ifdef CONFIG_BUG