Update the Mongolian Handbook translation:

1.389 -> 1.395 mn_MN.UTF-8/books/handbook/advanced-networking/chapter.sgml
1.74 -> 1.75 mn_MN.UTF-8/books/handbook/firewalls/chapter.sgml
1.27 -> 1.28 mn_MN.UTF-8/books/handbook/geom/chapter.sgml
1.6 -> 1.9 mn_MN.UTF-8/books/handbook/jails/chapter.sgml
1.9 -> 1.10 mn_MN.UTF-8/books/handbook/virtualization/chapter.sgml

Submitted by: ganbold@micom.mng.net