D2943: grep: fixes errorneous output of grep in forward order

[yuja (Yuya Nishihara)]

yuja accepted this revision.
yuja added a comment.
This revision is now accepted and ready to land.


  Queued, thanks. Adjusted the commit message to close  " (issue3885)".

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D2943

To: sangeet259, #hg-reviewers, yuja
Cc: yuja, mercurial-devel