add:   msgdb.Close(true); 
context: function updateFolderFeedUrl(aFolder, aFeedUrl, aRemoveUrl){  var msgdb = aFolder.QueryInterface(Components.interfaces.nsIMsgFolder).getMsgDatabase(null);  var folderInfo = msgdb.dBFolderInfo;  var oldFeedUrl = folderInfo.getCharPtrProperty("feedUrl");  if (aRemoveUrl)  {     // remove our feed url string from the list of feed urls    var newFeedUrl = oldFeedUrl.replace(kFeedUrlDelimiter + aFeedUrl, "");    folderInfo.setCharPtrProperty("feedUrl", newFeedUrl);  }    else     folderInfo.setCharPtrProperty("feedUrl", oldFeedUrl + kFeedUrlDelimiter + aFeedUrl);  }
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/779ba78259e46cfdb97acc5ab5e2b835ecae8c0c/utils.js/clean/mail/extensions/newsblog/content/utils.js