wireshark: bump version to 2.2.7 (security)

wireshark: bump version to 2.2.7 (security)

Security fixes:

- wnpa-sec-2017-22
  Bazaar dissector infinite loop (Bug 13599) CVE-2017-9352
- wnpa-sec-2017-23
  DOF dissector read overflow (Bug 13608) CVE-2017-9348
- wnpa-sec-2017-24
  DHCP dissector read overflow (Bug 13609, Bug 13628) CVE-2017-9351
- wnpa-sec-2017-25
  SoulSeek dissector infinite loop (Bug 13631) CVE-2017-9346
- wnpa-sec-2017-26
  DNS dissector infinite loop (Bug 13633) CVE-2017-9345
- wnpa-sec-2017-27
  DICOM dissector infinite loop (Bug 13685) CVE-2017-9349
- wnpa-sec-2017-28
  openSAFETY dissector memory exhaustion (Bug 13649) CVE-2017-9350
- wnpa-sec-2017-29
  BT L2CAP dissector divide by zero (Bug 13701) CVE-2017-9344
- wnpa-sec-2017-30
  MSNIP dissector crash (Bug 13725) CVE-2017-9343
- wnpa-sec-2017-31
  ROS dissector crash (Bug 13637) CVE-2017-9347
- wnpa-sec-2017-32
  RGMP dissector crash (Bug 13646) CVE-2017-9354
- wnpa-sec-2017-33
  IPv6 dissector crash (Bug 13675) CVE-2017-9353

Full release notes:

  https://www.wireshark.org/docs/relnotes/wireshark-2.2.7.html

Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>