If you can't be arsed to fix the webserver permissions, another option is to choose 'View Edited' in xmldb editor; you should see the xml. View source of that in your web browser, copy it into clipboard, and paste into the real file using your favourite editor.
However you change it, in case you're not familiar with install.xml, do note that changing this file won't change the table right away, only in fresh installs - you will need to uninstall (deleting all data) and reinstall the module for that to work with install.xml.
--sam
General developer forum
XMLDB Saving
This discussion has been locked so you can no longer reply to it.