Editor: fix undefined var notice in editor_js() in class-wp-editor.php.

Props littler.chicken.
Fixes #40501, see #35760.
Built from https://develop.svn.wordpress.org/trunk@40515


git-svn-id: http://core.svn.wordpress.org/trunk@40391 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/class-wp-editor.php

@@ -1357,6 +1357,8 @@ final class _WP_Editors {
 	 * @static
 	 */
 	public static function editor_js() {
+		global $tinymce_version;
+
 		$tmce_on = ! empty( self::$mce_settings );
 		$mceInit = $qtInit = '';
 
@@ -1388,6 +1390,7 @@ final class _WP_Editors {
 
 		$suffix = SCRIPT_DEBUG ? '' : '.min';
 		$baseurl = self::get_baseurl();
+		$version = 'ver=' . $tinymce_version;
 
 		/**
 		 * Fires immediately before the TinyMCE settings are printed.

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.8-alpha-40513';
+$wp_version = '4.8-alpha-40515';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.