wrapfunction: use sysstr instead of bytes as argument in "fsmonitor"
This is as valid and simpler, it will help us to eventually get ride of
`safehasattr`.
%include map-cmdline.default
[templates]
changeset = '{cset}{branches}{bookmarks}{tags}{lphase}{parents}{luser}{ldate}{summary}\n'
changeset_verbose = '{cset}{branches}{bookmarks}{tags}{lphase}{parents}{luser}{ldate}{lfiles}{lfile_copies_switch}{description}\n'