[PATCH STABLE] subrepo: avoid false unsafe path detection on Windows

[Matt Harbison]

On Tue, 05 Feb 2019 21:04:00 -0500, Matt Harbison <mharbison72 at gmail.com>  
wrote:

> # HG changeset patch
> # User Matt Harbison <matt_harbison at yahoo.com>
> # Date 1549417854 18000
> #      Tue Feb 05 20:50:54 2019 -0500
> # Branch stable
> # Node ID 0e18c6ec895542394c0ad18c380bf3bbd4ba4d9b
> # Parent  8b2892d5a9f2c06c998c977015a9ad3e3a3c9b5f
> subrepo: avoid false unsafe path detection on Windows

The fixes a last minute breakage in 4.9.  It doesn't look like TortoiseHg  
or the MSI installer has been generated yet, but the Inno installer is  
already posted.  Maybe this needs a 4.9.1?