fix sprintf arguments for deny studyspace

php/reservations.php

@@ -919,7 +919,7 @@ function denyReservation($q)
 				"body" => $mail_body
 			);
 		} else if ($rotype == 5) {
-			$mail_body = sprintf($config["reservation_denied_outbound_ss"]["body"], $fe, $te);
+			$mail_body = sprintf($config["reservation_denied_outbound_ss"]["body"], $roln, $fe, $te);
 			$mail_options = array(
 				"to" => array(
 					array(