[PATCH] i386: Fix warning in microcode.c

Fix bogus gcc warning

linux/arch/i386/kernel/microcode.c:387: warning: ‘new_mc’ may be used uninitialized in this function

Signed-off-by: Andi Kleen <ak@suse.de>
diff --git a/arch/i386/kernel/microcode.c b/arch/i386/kernel/microcode.c
index 381252b..b8f1663 100644
--- a/arch/i386/kernel/microcode.c
+++ b/arch/i386/kernel/microcode.c
@@ -384,7 +384,7 @@
 {
 	long cursor = 0;
 	int error = 0;
-	void *new_mc;
+	void *new_mc = NULL;
 	int cpu;
 	cpumask_t old;