Work on a problem with http_user_agent() that affects a limited number of systems.

includes/lib_functions.php

@@ -798,8 +798,7 @@ function format_string ($format, $data) {
 
 		//finally get the correct version number
 			$known = array('Version', $ub, 'other');
-			$pattern = '#(?<browser>' . join('|', $known) .
-			')[/ ]+(?<version>[0-9.|a-zA-Z.]*)#';
+			$pattern = '#(?<browser>' . join('|', $known) . ')[/ ]+(?<version>[0-9.|a-zA-Z.]*)#';
 			if (!preg_match_all($pattern, $u_agent, $matches)) {
 				// we have no matching number just continue
 			}