libtins-4.4-bp155.1.5

- update to 4.4:
  * Add RFC8335 extended echo types to `ICMP` and `ICMPv6`
  * Handle loops in DNS name decompression
  * Fix Windows' `interface` macro colliding with uses of that identifier in the code
  * Sending IPv6 packets to a link-scope destination address now uses the right interface index
  * Fix incorrect endian being used for ICMP's `gateway` and `address_mask`
  * Socket in `PacketSender::open_l3_socket` is now closed if `setsockopt` fails
  * Fix various incorrect doxygen documentation comments.
  * Fix infinite loop when querying the routing table in \*BSD
  * Assign a PDUType to `Dot11ControlTA`
  * Don't consider IPv6 ESP header a normal extension header
  * Don't include non-existing headers when installed without libpcap
  * Add `IPv6Address::is_local_unicast`
  * Fix memory leak in `PacketWriter`
  * Fix memory leaks in `OfflinePacketFilter`
  * Fix detection of new TCP stream
  * Introduce `TCP::has_flags`
  * Fix padding calculations in RadioTapWriter

- Update to version 4.2
- build-patch adapted
  * add    libtins-4.2_build.patch: for new version
  * remove libtins-3.5_build.patch: now outdated
- use source download service

- Devel package must depend on libpcap-devel

- Ensure neutrality of description.

- Update to version 3.5 (see CHANGES.md)
- Refreshed libtins-3.2_build.patch as libtins-3.5_build.patch

- Initial release