[PATCH] changelog: only use filtering headrevs C extension when it is available

[Mads Kiilerich]

On 10/24/2014 02:39 AM, Mads Kiilerich wrote:
> # HG changeset patch
> # User Mads Kiilerich <madski at unity3d.com>
> # Date 1414111164 -7200
> #      Fri Oct 24 02:39:24 2014 +0200
> # Branch stable
> # Node ID c631a5ff9815a692b8b816bdbb71cd7adb60ded4
> # Parent  eb763217152ab2b472416bcc57722451c317f282
> changelog: only use filtering headrevs C extension when it is available

--flag stable

/Mads