patchbomb: use procutil.shellquote() instead of shlex to escape email address
This basically backs out 2cc453284d5c, and inserts procutil.shellquote()
instead. I don't care about Windows compatibility here, but shlex.quote()
can't handle byte strings on Python 3.
@echo off
powershell -NoProfile -ExecutionPolicy unrestricted -Command "& '%~dp0\editmergeps.ps1' %*"