Pass `$args` to the `export_wp` action in `export_wp()`, which is currently passed no arguments.

Props nickdaugherty.
Fixes #25574.


Built from https://develop.svn.wordpress.org/trunk@26011


git-svn-id: http://core.svn.wordpress.org/trunk@25942 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/export.php

@@ -30,7 +30,7 @@ function export_wp( $args = array() ) {
 	);
 	$args = wp_parse_args( $args, $defaults );
 
-	do_action( 'export_wp' );
+	do_action( 'export_wp', $args );
 
 	$sitename = sanitize_key( get_bloginfo( 'name' ) );
 	if ( ! empty($sitename) ) $sitename .= '.';