Title: #928: WebUI: fix jslint error
jslint warned about parsing string to integer without explicit radix.
This error was introduced in commit 7f10a51.
The PR is without ticket as it is only one liner.
To pull the PR as Git branch:
git remote add ghfreeipa https://github.com/freeipa/freeipa
git fetch ghfreeipa pull/928/head:pr928
git checkout pr928