wireshark: security bump to version 2.2.11

wireshark: security bump to version 2.2.11

Fixes the following security issues:

wnpa-sec-2017-47: The IWARP_MPA dissector could crash. (Bug 14236)

https://www.wireshark.org/security/wnpa-sec-2017-47.html

wnpa-sec-2017-48: The NetBIOS dissector could crash. (Bug 14249)

https://www.wireshark.org/security/wnpa-sec-2017-48.html

wnpa-sec-2017-49: The CIP Safety dissector could crash. (Bug 14250)

https://www.wireshark.org/security/wnpa-sec-2017-49.html

For more information, see the release notes:
https://www.wireshark.org/docs/relnotes/wireshark-2.2.11.html

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>