games/scummvm: Fix build with Freetype2 2.13.3

Backport upstream commit 65977961b20ba97b1213b5267da0cb1efb49063b

Reference:
https://github.com/scummvm/scummvm/commit/65977961b20ba97b1213b5267da0cb1efb49063b

PR: 281345
Approved by: portmgr (blanket, build fix)