package/wireshark: security bump to version 3.2.6

Fix CVE-2020-17498: In Wireshark 3.2.0 to 3.2.5, the Kafka protocol
dissector could crash. This was addressed in
epan/dissectors/packet-kafka.c by avoiding a double free during LZ4
decompression.

https://www.wireshark.org/security/wnpa-sec-2020-10.html



Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>