Update "wireshark" package to version 1.2.7. Changes since version 1.2.6:
Bug fixes:
- SNMPv3 Engine ID registration. (Bug 2426)
- Open file dialog always displayed when clicking anywhere on
  Wireshark. (Bug 2478)
- tshark reports wrong number of bytes on big dumpfiles with -z
  io,stat. (Bug 3205)
- Negative INTEGER number displayed as positive number in SNMP
  dissector. (Bug 3230)
- Add support for FT_BOOLEAN fields to wslua FieldInfo. (Bug 4049)
- Wireshark crashes w/ GLib error when trying to play RTP
  stream. (Bug 4119)
- Windows 2000 support has been restored. (Bug 4176)
- Wrong dissection on be_cell_id_list for bssmap. (Bug 4437)
- I/O Graph dropdown boxes not working correctly. (Bug 4487)
- Runtime Error when right-clicking field and selecting "Filter
  Field Reference". (Bug 4522)
- In GSM SMS PDU TPVPF showing wrong. (Bug 4524)
- Profinet: May be wrong defined byte meaning. (Bug 4525)
- GLib-CRITICAL ** Message. (Bug 4547)
- Certain EDP display filters trigger Wireshark/tshark runtime
  error. (Bug 4563)
- Some NCP frames trigger "Dissector bug, protocol NCP". (Bug 4565)
- The encapsulation abbreviation "bluetooth-h4" is ambiguous.(Bug 4613)
Updated Protocol Support:
- BSSMAP, DMP, GSM SMS, LDSS, NCP, PN/IO, PPP, SIP, SNMP

Requested by Alistair Crooks.

(tron)