Coding Standards: Use strict comparison in wp_new_comment_notify_moderator().

Follow-up to [2894], [34106], [34250], [34252], [35339].

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

git-svn-id: https://develop.svn.wordpress.org/trunk@59840 602fd350-edb4-49c9-b593-d223f7449a82

Author: SergeyBiryukov

src/wp-includes/comment.php

@@ -2373,7 +2373,7 @@ function wp_new_comment_notify_moderator( $comment_id ) {
 	$comment = get_comment( $comment_id );
 
 	// Only send notifications for pending comments.
-	$maybe_notify = ( '0' == $comment->comment_approved );
+	$maybe_notify = ( '0' === $comment->comment_approved );
 
 	/** This filter is documented in wp-includes/pluggable.php */
 	$maybe_notify = apply_filters( 'notify_moderator', $maybe_notify, $comment_id );