Allow clean.bat to be run from anywhere

Andrew Dunstan <andrew@dunslane.net>

Commit: f80900be06f784a6bda705800305c550e05d6edf
Author: Andrew Dunstan <andrew@dunslane.net>
Date: 2022-01-20T15:13:18Z
Releases: 15.0
Allow clean.bat to be run from anywhere

This was omitted from c3879a7b4c which modified the other msvc .bat
files.

Per request from Juan José Santamaría Flecha

Discussion: https://postgr.es/m/CAC+AXB0_fxYGbQoaYjCA8um7TTbOVP4L9aXnVmHwK8WzaT4gdA@mail.gmail.com

Backpatch to all live branches.

Files

PathChange+/−
src/tools/msvc/clean.bat modified +4 −3