Merge pull request #3457 from owncloud/fix-share-links

Fix public links

apps/files_sharing/public.php

 <?php
-$RUNTIME_NOSETUPFS = true;
 // Load other apps for file previews
 OC_App::loadApps();
 
@@ -46,6 +45,7 @@ if (isset($_GET['t'])) {
 			$fileOwner = $shareOwner;
 		}
 		if (isset($fileOwner)) {
+			OC_Util::tearDownFS();
 			OC_Util::setupFS($fileOwner);
 			$path = \OC\Files\Filesystem::getPath($linkItem['file_source']);
 		}

cron.php

@@ -45,7 +45,6 @@ function handleUnexpectedShutdown() {
 	}
 }
 
-$RUNTIME_NOSETUPFS = true;
 require_once 'lib/base.php';
 
 session_write_close();