kernel: 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The usage of strict_strto*() is not preferred, because strict_strto*() is
obsolete.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: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/kernel/gcov/fs.c b/kernel/gcov/fs.c
index 9bd0934f..7a7d2ee 100644
--- a/kernel/gcov/fs.c
+++ b/kernel/gcov/fs.c
@@ -74,7 +74,7 @@
 {
 	unsigned long val;
 
-	if (strict_strtoul(str, 0, &val)) {
+	if (kstrtoul(str, 0, &val)) {
 		pr_warning("invalid gcov_persist parameter '%s'\n", str);
 		return 0;
 	}