From 6b61795d96ce42d93a704eb6a248c7f42a7cac71 Mon Sep 17 00:00:00 2001
From: Dan Stillman <dstillman@zotero.org>
Date: Fri, 10 May 2013 01:14:22 -0400
Subject: [PATCH] Fix NS_ERROR_FILE_IS_LOCKED if no files to add to upload zip

---
 chrome/content/zotero/xpcom/storage.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/chrome/content/zotero/xpcom/storage.js b/chrome/content/zotero/xpcom/storage.js
index 4182be1fd..95e4e6e22 100644
--- a/chrome/content/zotero/xpcom/storage.js
+++ b/chrome/content/zotero/xpcom/storage.js
@@ -1663,6 +1663,7 @@ Zotero.Sync.Storage = new function () {
 			var fileList = _zipDirectory(dir, dir, zw);
 			if (fileList.length == 0) {
 				Zotero.debug('No files to add -- removing zip file');
+				zw.close();
 				tmpFile.remove(null);
 				return false;
 			}