Fix regression in address formating

htdocs/core/lib/functions.lib.php

@@ -2257,7 +2257,7 @@ function dol_format_address($object, $withcountry = 0, $sep = "\n", $outputlangs
 
 	$ret = '';
 	$countriesusingstate = array('AU', 'CA', 'US', 'IN', 'GB', 'ES', 'UK', 'TR', 'CN'); // See also MAIN_FORCE_STATE_INTO_ADDRESS
-	$sep = "\n";
+
 	// See format of addresses on https://en.wikipedia.org/wiki/Address
 	// Address
 	if (empty($mode)) {