- fix_contact for ipv6 addres,add the [] to the host part of contact header

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#### Description when we detect the nat, we are using fix_contact to fix the contact header according to nat.but for ipv6, fix_contact doesn't add the [] to ip part of contact header.because of this we are getting bad contact header.we resolved this by adding [] to ipv6 address.

You can view, comment on, or merge this pull request online at:

https://github.com/kamailio/kamailio/pull/1319

-- Commit Summary --

* nat_traversal: correcting the ipv6 contact in fix_contact

-- File Changes --

M src/modules/nat_traversal/nat_traversal.c (12)

-- Patch Links --

https://github.com/kamailio/kamailio/pull/1319.patch https://github.com/kamailio/kamailio/pull/1319.diff