D3554: xdiff: fix Py_BuildValue types (issue5885)

[quark (Jun Wu)]

quark abandoned this revision.
quark added a comment.


  Duplicated with https://phab.mercurial-scm.org/D3538.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D3554

To: quark, #hg-reviewers
Cc: mercurial-devel