Merge branch 'cb/uname-in-untracked' into maint

An experimental "untracked cache" feature used uname(2) in a slightly unportable way. * cb/uname-in-untracked: untracked: fix detection of uname(2) failure

Junio C Hamano committed Aug 19, 2015 at 14:41 UTC b083703ce34b27a0f97d7e2d4d2eec196a53b707

No changes.