D2607: hghave: fix up clang-libfuzzer regex to be bytes

[pulkit (Pulkit Goyal)]

pulkit added inline comments.

INLINE COMMENTS

> hghave.py:265
>          return True
>      return matchoutput('hg --version --quiet 2>&1', 'Mercurial Distributed SCM')
>  

Since you are here, can you get this one and next call to matchoutput fixed too?

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D2607

To: durin42, #hg-reviewers
Cc: pulkit, mercurial-devel