In `fetch_feed()`, call `->set_output_encoding()` on the `SimplePie` instance to ensure the feed is served with encoding specified by the `blog_charset` option.

Props chriscct7.
Fixes #10713.

Built from https://develop.svn.wordpress.org/trunk@32469


git-svn-id: http://core.svn.wordpress.org/trunk@32439 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/feed.php

@@ -642,6 +642,7 @@ function fetch_feed( $url ) {
 	 */
 	do_action_ref_array( 'wp_feed_options', array( &$feed, $url ) );
 	$feed->init();
+	$feed->set_output_encoding( get_option( 'blog_charset' ) ); 
 	$feed->handle_content_type();
 
 	if ( $feed->error() )

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.3-alpha-32468';
+$wp_version = '4.3-alpha-32469';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.