sysctl: Don't scan for the leaks on headers

These header allocations have life cycle till the device goes
shutdown. So, considering them as leak is false positive. Remove
them by marking kmemleak_not_leak

CRs-Fixed: 466552
Change-Id: Id1571b78365e533ddfe866d45cef8f89b0b62bc7
Signed-off-by: Chintan Pandya <cpandya@codeaurora.org>
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 21d836f..668c397 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -10,6 +10,7 @@
 #include <linux/namei.h>
 #include <linux/mm.h>
 #include <linux/module.h>
+#include <linux/kmemleak.h>
 #include "internal.h"
 
 static const struct dentry_operations proc_sys_dentry_operations;
@@ -1215,6 +1216,8 @@
 	if (!header)
 		return NULL;
 
+	kmemleak_not_leak(header);
+
 	node = (struct ctl_node *)(header + 1);
 	init_header(header, root, set, node, table);
 	if (sysctl_check_table(path, table))