MFC r313398:

Approved by: re (gjb)

Apply r274475's to expr.oxout.tab.c to fix the test on FreeBSD

YYINT on FreeBSD is int, not short

I'll work with the upstream maintainer or come up with a build
method of modifying their definitions on install instead of
having to modify tests to match our forked YYINT definition.

PR: 216891