[patch 1/2] kernel/audit.c: warning fix

kernel/audit.c: In function 'audit_log_start':
kernel/audit.c:1133: warning: 'serial' may be used uninitialized in this function

Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
diff --git a/kernel/audit.c b/kernel/audit.c
index 1242021..b617f69 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -1032,7 +1032,7 @@
 {
 	struct audit_buffer	*ab	= NULL;
 	struct timespec		t;
-	unsigned int		serial;
+	unsigned int		uninitialized_var(serial);
 	int reserve;
 	unsigned long timeout_start = jiffies;