Merge branch 'cb/xdiff-no-system-includes-in-dot-c' into maint
authorJunio C Hamano <gitster@pobox.com>
Fri, 9 Aug 2019 22:18:19 +0000 (15:18 -0700)
committerJunio C Hamano <gitster@pobox.com>
Fri, 9 Aug 2019 22:18:19 +0000 (15:18 -0700)
Compilation fix.

* cb/xdiff-no-system-includes-in-dot-c:
  xdiff: remove duplicate headers from xpatience.c
  xdiff: remove duplicate headers from xhistogram.c
  xdiff: drop system includes in xutils.c


Trivial merge