Customizer: Make labels of the menu item reorder buttons translatable.

see #32576.
Built from https://develop.svn.wordpress.org/trunk@32888


git-svn-id: http://core.svn.wordpress.org/trunk@32859 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/class-wp-customize-nav-menus.php

@@ -587,10 +587,10 @@ final class WP_Customize_Nav_Menus {
 				<?php
 				printf(
 					'<button type="button" class="menus-move-up">%1$s</button><button type="button" class="menus-move-down">%2$s</button><button type="button" class="menus-move-left">%3$s</button><button type="button" class="menus-move-right">%4$s</button>',
-					esc_html( 'Move up' ),
-					esc_html( 'Move down' ),
-					esc_html( 'Move one level up' ),
-					esc_html( 'Move one level down' )
+					__( 'Move up' ),
+					__( 'Move down' ),
+					__( 'Move one level up' ),
+					__( 'Move one level down' )
 				);
 				?>
 			</div>

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.3-alpha-32887';
+$wp_version = '4.3-alpha-32888';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.