Merge pull request #2304 from colemanw/thankyou_update

CRM-14054 - Contribution Thank You Letters - Set 'update thank-you date' to checked

CRM/Contribute/Form/Task/PDFLetter.php

@@ -86,6 +86,9 @@ class CRM_Contribute_Form_Task_PDFLetter extends CRM_Contribute_Form_Task {
       CRM_Activity_BAO_Activity::retrieve($params, $defaults);
       $defaults['html_message'] = $defaults['details'];
     }
+    else {
+      $defaults['thankyou_update'] = 1;
+    }
     $defaults = $defaults + CRM_Contact_Form_Task_PDFLetterCommon::setDefaultValues();
     return $defaults;
   }