Fixing lang string for secret url page (Bug #1436582)

Change-Id: I300ad4cffcfd4bc5614933dd43e1d646483a0484
Signed-off-by: Robert Lyon <robertl@catalyst.net.nz>

htdocs/lang/en.utf8/view.php

@@ -27,7 +27,7 @@ $string['userviewurltaken']       = 'This URL is already taken. Please choose an
 $string['description']            = 'Page description';
 $string['startdate']              = 'Access start date/time';
 $string['stopdate']               = 'Access end date/time';
-$string['stopdatecannotbeinpast'] = 'Stop date cannot be in the past';
+$string['stopdatecannotbeinpast1'] = '"To" date cannot be in the past';
 $string['startdatemustbebeforestopdate'] = 'Start date must be before stop date';
 $string['newstopdatecannotbeinpast'] = 'The end date for \'%s\' access cannot be in the past.';
 $string['newstartdatemustbebeforestopdate'] = 'The start date for \'%s\' access must be before the end date.';

htdocs/view/urls.php

@@ -172,7 +172,7 @@ function editurl_validate(Pieform $form, $values) {
         $values['stopdate'] = null;
     }
     if ($values['stopdate'] && time() > $values['stopdate']) {
-        $form->set_error('stopdate', get_string('stopdatecannotbeinpast', 'view'));
+        $form->set_error('stopdate', get_string('stopdatecannotbeinpast1', 'view'));
     }
     if ($values['startdate'] && $values['stopdate'] && $values['startdate'] > $values['stopdate']) {
         $form->set_error('startdate', get_string('startdatemustbebeforestopdate', 'view'));