Merge branch 'ep/malloc-check-perturb'

Fixes a brown-paper bag bug. * ep/malloc-check-perturb: MALLOC_CHECK: enable it, unless disabled explicitly

Junio C Hamano committed Oct 1, 2012 at 12:59 UTC 70dac5f44d60a3f2de68c17157c21e663fc75616

No changes.