Media: Correct a translatable string for MediaElement.js.

Adds the needed context to the string "None". Introduced in [38089].

Props leewillis77.
See #37394.
Fixes #40800.

Built from https://develop.svn.wordpress.org/trunk@40775


git-svn-id: http://core.svn.wordpress.org/trunk@40633 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/script-loader.php

@@ -357,7 +357,7 @@ function wp_default_scripts( &$scripts ) {
 			'Play'                    => __( 'Play' ),
 			'Pause'                   => __( 'Pause' ),
 			'Captions/Subtitles'      => __( 'Captions/Subtitles' ),
-			'None'                    => __( 'None', 'no captions/subtitles' ),
+			'None'                    => _x( 'None', 'no captions/subtitles' ),
 			'Time Slider'             => __( 'Time Slider' ),
 			/* translators: %1: number of seconds (30 by default) */
 			'Skip back %1 seconds'    => __( 'Skip back %1 seconds' ),

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.8-beta1-40774';
+$wp_version = '4.8-beta1-40775';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.