Index: wp-admin/edit-comments.php
===================================================================
--- wp-admin/edit-comments.php	(revision 39543)
+++ wp-admin/edit-comments.php	(working copy)
@@ -95,7 +95,7 @@
 		 * @param string $doaction     The action being taken.
 		 * @param array  $items        The items to take the action on.
 		 */
-		$redirect_to = apply_filters( 'handle_bulk_actions-' . get_current_screen()->id, $redirect_to, $doaction, $comment_ids );
+	$redirect_to = apply_filters( "handle_bulk_actions-{get_current_screen()->id}", $redirect_to, $doaction, $comment_ids );
 	}
 
 	wp_defer_comment_counting( false );
Index: wp-admin/network/site-themes.php
===================================================================
--- wp-admin/network/site-themes.php	(revision 39543)
+++ wp-admin/network/site-themes.php	(working copy)
@@ -137,7 +137,7 @@
 				 * @param array  $items        The items to take the action on.
 				 * @param int    $site_id      The site id.
 				 */
-				$referer = apply_filters( 'handle_network_bulk_actions-' . get_current_screen()->id, $referer, $action, $themes, $id );
+				$referer = apply_filters( "handle_network_bulk_actions-{get_current_screen()->id}", $referer, $action, $themes, $id );
 			} else {
 				$action = 'error';
 				$n = 'none';