Bootstrap: do not go gentle into that good night r38411, r38412, and parts of r38389.

See #36335.

Built from https://develop.svn.wordpress.org/trunk@38470


git-svn-id: http://core.svn.wordpress.org/trunk@38411 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/class-ftp.php

@@ -903,6 +903,8 @@ if ( ! $mod_sockets && function_exists( 'dl' ) && is_callable( 'dl' ) ) {
 	$mod_sockets = extension_loaded( 'sockets' );
 }
 
+require_once dirname( __FILE__ ) . "/class-ftp-" . ( $mod_sockets ? "sockets" : "pure" ) . ".php";
+
 if ( $mod_sockets ) {
 	class ftp extends ftp_sockets {}
 } else {