wccp: use pinfo-scope memory for addresses

They may be accessed during the print phase, at which point packet-scope memory
has already been freed.

Bug: 10720
Change-Id: Ia2b160fd9de4ccaa3a4b8d9cb70fb9b32d4e08a0
Reviewed-on: https://code.wireshark.org/review/5496
Reviewed-by: Evan Huus <eapache@gmail.com>
dec-dnart: use pinfo-scoped memory for addresses

They may be accessed during the print phase, at which point packet-scope memory
has already been freed.

Bug: 10724
Change-Id: Ifcf5fc0c0857614edf85349b12dfe605abf6fef7
Reviewed-on: https://code.wireshark.org/review/5497
Reviewed-by: Evan Huus <eapache@gmail.com>