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strict_strto*() is obsolete.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/integrity/integrity_audit.c b/security/integrity/integrity_audit.c
index d7efb30..809ec842 100644
--- a/security/integrity/integrity_audit.c
+++ b/security/integrity/integrity_audit.c
@@ -22,7 +22,7 @@
 {
 	unsigned long audit;
 
-	if (!strict_strtoul(str, 0, &audit))
+	if (!kstrtoul(str, 0, &audit))
 		integrity_audit_info = audit ? 1 : 0;
 	return 1;
 }