XSS in basic theme installation

templates/themes/basic/info.php

@@ -47,7 +47,7 @@
 	if(!function_exists('build_install')) {
 		function build_install($settings) {
 			if(!is_numeric($settings['no_recent']) || $settings['no_recent'] < 0)
-				return Array(false, '<strong>' . $settings['no_recent'] . '</strong> is not a non-negative integer.');
+				return Array(false, '<strong>' . utf8tohtml($settings['no_recent']) . '</strong> is not a non-negative integer.');
 		}
 	}