Log Message:
Update sipcalc to 1.1.2

  * Changed stuff around to be compatible with newer version of autoconf.
  * Updated ipv6 reverse dns output to use the domain ip6.arpa instead of
    ip6.int, thanks to M?ns Nilsson for bringing this to my attention.
  * Change license from GPL to BSD, see COPYING for details.

Fixes PR#21846 from Sergey Svishchev