powerpc: Wrap MSR macros with parentheses

Not having parentheses around a macro is asking for trouble.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h
index b417de3..ed8f836 100644
--- a/arch/powerpc/include/asm/reg_booke.h
+++ b/arch/powerpc/include/asm/reg_booke.h
@@ -29,10 +29,10 @@
 #if defined(CONFIG_PPC_BOOK3E_64)
 #define MSR_64BIT	MSR_CM
 
-#define MSR_		MSR_ME | MSR_CE
-#define MSR_KERNEL	MSR_ | MSR_64BIT
-#define MSR_USER32	MSR_ | MSR_PR | MSR_EE
-#define MSR_USER64	MSR_USER32 | MSR_64BIT
+#define MSR_		(MSR_ME | MSR_CE)
+#define MSR_KERNEL	(MSR_ | MSR_64BIT)
+#define MSR_USER32	(MSR_ | MSR_PR | MSR_EE)
+#define MSR_USER64	(MSR_USER32 | MSR_64BIT)
 #elif defined (CONFIG_40x)
 #define MSR_KERNEL	(MSR_ME|MSR_RI|MSR_IR|MSR_DR|MSR_CE)
 #define MSR_USER	(MSR_KERNEL|MSR_PR|MSR_EE)