security: replace strict_strto*() with kstrto*()

The usage of strict_strto*() is not preferred, because
strict_strto*() is obsolete. Thus, kstrto*() should be
used.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c
index 4257b7e..9981000 100644
--- a/security/apparmor/lsm.c
+++ b/security/apparmor/lsm.c
@@ -751,7 +751,7 @@
 static int __init apparmor_enabled_setup(char *str)
 {
 	unsigned long enabled;
-	int error = strict_strtoul(str, 0, &enabled);
+	int error = kstrtoul(str, 0, &enabled);
 	if (!error)
 		apparmor_enabled = enabled ? 1 : 0;
 	return 1;