Rename filter on $args sent to export_wp() for clarity. See #19863.

git-svn-id: http://core.svn.wordpress.org/trunk@22402 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/export.php

@@ -94,7 +94,7 @@ function export_add_js() {
 		$args['content'] = $_GET['content'];
 	}
 
-	$args = apply_filters( 'wp_export_args', $args );
+	$args = apply_filters( 'export_args', $args );
 
 	export_wp( $args );
 	die();