fallback to /tmp if $HOME isn't set
fallback to /tmp if $HOME isn't set


git-svn-id: 0f3f1c46c6da7ffd142db61e503a7ff63af3a195@28243 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33

jordemort/e17,jordemort/e17,jordemort/e17