games/jaggedalliance2: extend 14.0+ build fix to all architectures

The fix seems to be needed on amd64 too, so apply it to all
architectures just in case.

Reported by: Martin Neubauer <m.ne@gmx.net>
Approved by: portmgr (build fix blanket)
PR: 275069, 274601
MFH: 2023Q4