In `_WP_Editors::editor_settings()`, `$str1` and `$str2` don't need to be initialized empty.

See #30224.

Built from https://develop.svn.wordpress.org/trunk@30173


git-svn-id: http://core.svn.wordpress.org/trunk@30173 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/class-wp-editor.php

@@ -418,7 +418,7 @@ final class _WP_Editors {
 							$url = set_url_scheme( $url );
 							$mce_external_plugins[ $name ] = $url;
 							$plugurl = dirname( $url );
-							$strings = $str1 = $str2 = '';
+							$strings = '';
 
 							// Try to load langs/[locale].js and langs/[locale]_dlg.js
 							if ( ! in_array( $name, $loaded_langs, true ) ) {

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.1-alpha-30172';
+$wp_version = '4.1-alpha-30173';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.