fix public sharing of calendars

apps/calendar/share.php

@@ -4,8 +4,8 @@ $token = strip_tags($_GET['t']);
 $shared = OC_Calendar_Share::getElementByToken($token);
 $nl = "\n\r";
 if($shared['type'] == OC_Calendar_Share::CALENDAR){
-	$calendar = OC_Calendar_App::getCalendar($cal, false);
+	$calendar = OC_Calendar_App::getCalendar($shared['id'], false);
-	$calobjects = OC_Calendar_Object::all($cal);
+	$calobjects = OC_Calendar_Object::all($shared['id']);
 	header('Content-Type: text/Calendar');
 	header('Content-Disposition: inline; filename=' . $calendar['displayname'] . '.ics'); 
 	foreach($calobjects as $calobject){

apps/calendar/templates/share.dropdown.php

@@ -73,5 +73,5 @@ echo html_select_options($allgroups, array());
 </ul>
 <div id="public">
 	<input type="checkbox" id="publish" <?php echo ($public['share'])?'checked="checked"':'' ?>><label for="publish"><?php echo $l->t('make public'); ?></label><br>
-	<input type="text" id="public_token" value="<?php echo OC_Helper::linkToAbsolute('calendar', 'share.php?t=' . $public['share'], null, true) ; ?>" onmouseover="$('#public_token').select();" style="<?php echo (!$public['share'])?'display:none':'' ?>">
+	<input type="text" id="public_token" value="<?php echo OC_Helper::linkToAbsolute('apps/calendar', 'share.php?t=' . $public['share'], null, true) ; ?>" onmouseover="$('#public_token').select();" style="<?php echo (!$public['share'])?'display:none':'' ?>">
 </div>