readd sharing token to public template

necessary for https://github.com/owncloud/apps/pull/1476

apps/files_sharing/public.php

@@ -149,6 +149,7 @@ if (isset($path)) {
 		$tmpl->assign('mimetype', \OC\Files\Filesystem::getMimeType($path));
 		$tmpl->assign('fileTarget', basename($linkItem['file_target']));
 		$tmpl->assign('dirToken', $linkItem['token']);
+		$tmpl->assign('sharingToken', $token);
 		$tmpl->assign('disableSharing', true);
 		$allowPublicUploadEnabled = (bool) ($linkItem['permissions'] & OCP\PERMISSION_CREATE);
 		if (\OCP\App::isEnabled('files_encryption')) {

apps/files_sharing/templates/public.php

@@ -6,6 +6,7 @@
 <input type="hidden" id="isPublic" name="isPublic" value="1">
 <input type="hidden" name="dir" value="<?php p($_['dir']) ?>" id="dir">
 <input type="hidden" name="downloadURL" value="<?php p($_['downloadURL']) ?>" id="downloadURL">
+<input type="hidden" name="sharingToken" value="<?php p($_['sharingToken']) ?>" id="sharingToken">
 <input type="hidden" name="filename" value="<?php p($_['filename']) ?>" id="filename">
 <input type="hidden" name="mimetype" value="<?php p($_['mimetype']) ?>" id="mimetype">
 <header><div id="header">