[fix] ffox useragent: use Windows NT 10.0 and not Windows NT 10
[fix] ffox useragent: use Windows NT 10.0 and not Windows NT 10

This is an addittion to PR #1934:

  The .0 change really counts on some engines like Bing which seems to allow
  Windows NT 10.0 but not Windows NT 10.

Signed-off-by: Markus Heiser <14dfd67dd72e7ac80c040b62bb932f1e121795cc@darmarit.de>

dalf/searx,dalf/searx,asciimoo/searx,dalf/searx,asciimoo/searx,dalf/searx,asciimoo/searx,asciimoo/searx