Merge branch 'ak/lazy-prereq-mktemp'

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

Junio C Hamano committed Dec 16, 2016 at 15:27 UTC eb600866c3bb7b9b659d4776c1d3283963e93f1a

No changes.