Administration: In `WP_List_Table::comments_bubble()`, replace the mdash with its HTML entity for consistency with the similar code in other list tables.

Props afercia.
See #40659, #32152.
Built from https://develop.svn.wordpress.org/trunk@40960


git-svn-id: http://core.svn.wordpress.org/trunk@40810 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/class-wp-list-table.php

@@ -656,7 +656,7 @@ class WP_List_Table {
 
 		// No comments at all.
 		if ( ! $approved_comments && ! $pending_comments ) {
-			printf( '<span aria-hidden="true">—</span><span class="screen-reader-text">%s</span>',
+			printf( '<span aria-hidden="true">&#8212;</span><span class="screen-reader-text">%s</span>',
 				__( 'No comments' )
 			);
 		// Approved comments have different display depending on some conditions.

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.9-alpha-40959';
+$wp_version = '4.9-alpha-40960';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.