Coding Standards: Use strict comparison in some wp-admin files.

Props pikamander2, mukesh27, SergeyBiryukov.
Fixes #49239.

git-svn-id: https://develop.svn.wordpress.org/trunk@47785 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/edit-form-comment.php

@@ -118,7 +118,7 @@ switch ( $comment->comment_approved ) {
 <label><input type="radio"<?php checked( $comment->comment_approved, 'spam' ); ?> name="comment_status" value="spam" /><?php _ex( 'Spam', 'comment status' ); ?></label>
 </fieldset>
 </div><!-- .misc-pub-section -->
-	
+
 <div class="misc-pub-section curtime misc-pub-curtime">
 <?php
 $submitted = sprintf(