Since the object files get built into a shared lib, using -fPIC on all
arches is the right thing to do, instead of adding it to each new arch that
comes along which doesn't accidentally allow non-PIC modules in shared libs.
PR: 207324
Approved by: mat(mentor)
Differential Revision: https://reviews.freebsd.org/D5362
lang/lua51 is working the same way lang/lua52, chase ports using lua 5.1
Make the default lua lua52
Make all lua ports using USES=lua
Approved by: portmgr (implicit)