[LINTER] Exclude a cppcheck false positive

Summary:
Similar to D9594, this time the array is initialized from an initializer
list to a defined size.

Test Plan:
On ArchLinux:

arc lint --everything

Reviewers: #bitcoin_abc, majcosta

Reviewed By: #bitcoin_abc, majcosta

Differential Revision: https://reviews.bitcoinabc.org/D9612