We only really need debugedit while building the package, while this
check would run if you tried something like `makepkg --verifysource`.
Use the same checks as we have for fakeroot to wrap debugedit so we
don't beg for dependencies we don't need.
Fixes: 3ed08f97ec
Signed-off-by: Morten Linderud <morten@linderud.pw>