Updated openstack/openstack
Project: openstack/ceilometer  188dfbbf116ba902f828c11be6a366bc8ba78f95

Remove --tmpdir from mktemp

This option is not portable and does not work on Darwin. The -t option
and the usage of a relative name implies anyway that $TMPDIR will be
used, on all mktemp versions.

Change-Id: I3abfc8606b37d6e2f8c5ff4dc6855a4558e8f7c9