add reserve helper role to studygroups

booking.constants.inc

@@ -108,18 +108,20 @@ function _get_tshirt_options() {
  * @param $input integer containing role id
  * @return string for corresponding role
  */
-function _booking_studygroup_role_lookup($input = NULL)
-{
+function _booking_studygroup_role_lookup($input = NULL) {
 	$role = array();
 	$role[] = t('No Role');
 	$role[] = t('Leader');
 	$role[] = t('Helper');	
 	$role[] = t('Reserve Leader');
-	
-	if ($input != NULL)
+	$role[] = t('Reserve Helper');
+
+	if ($input != NULL) {
 		return $role[$input];
-	else
+  }
+	else {
 		return $role;
+  }
 }
 
 /**