CRM-13278 - Select fields for export "- related contact info -" fields are not sorted properly

http://issues.civicrm.org/jira/browse/CRM-13278

CRM/Core/BAO/Mapping.php

@@ -560,6 +560,11 @@ class CRM_Core_BAO_Mapping extends CRM_Core_DAO_Mapping {
 
     foreach ($sel1 as $key => $sel) {
       if ($key) {
+        // sort everything BUT the contactType which is sorted seperately by
+        // an initial commit of CRM-13278 (check ksort above)
+        if (!in_array($key, $contactType)) {
+          asort($mapperFields[$key]);
+        }
         $sel2[$key] = array('' => ts('- select field -')) + $mapperFields[$key];
       }
     }