Coding Standards: Use strict comparison in wp_get_archives().

Follow-up to [24], [114].

Props aristath, poena, afercia, SergeyBiryukov.
See #62279.

git-svn-id: https://develop.svn.wordpress.org/trunk@59774 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/general-template.php

@@ -2154,7 +2154,7 @@ function wp_get_archives( $args = '' ) {
 		if ( $results ) {
 			$after = $parsed_args['after'];
 			foreach ( (array) $results as $result ) {
-				if ( $result->week != $arc_w_last ) {
+				if ( $result->week !== $arc_w_last ) {
 					$arc_year       = $result->yr;
 					$arc_w_last     = $result->week;
 					$arc_week       = get_weekstartend( $result->yyyymmdd, get_option( 'start_of_week' ) );