Use getfqdn() instead of gethostname()
Otherwise it would return the naked host name most of the time, especially on Windows.
Review URL: http://codereview.chromium.org/2239010
git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@48432 0039d316-1c4b-4281-b951-d872f2087c98