Merge branch 'ak/lazy-prereq-mktemp' into maint

Test code clean-up. * ak/lazy-prereq-mktemp: t7610: clean up foo.XXXXXX tmpdir

Junio C Hamano committed Jan 17, 2017 at 15:19 UTC d0366b137c01ada0fc2cd97a151bc36bc4d30eeb

No changes.