mergestate: make in-memory mergestate not clear on-disk mergestate on reset()
Oops, I thought I had remove the `rmtree()` call earlier. Maybe I
accidentally got it back in a histedit or something.
Differential Revision: https://phab.mercurial-scm.org/D9042
@echo off
powershell -NoProfile -ExecutionPolicy unrestricted -Command "& '%~dp0\editmergeps.ps1' %*"