stage1: enable PIC for libuserland

we don't really have a way to determine whether the stage1
zig compiler requires PIC so to be safe we always enable it
when building libuserland.

fixes build on some configurations of alpine linux.
7688100b17Andrew Kelley committed on 10/8/2019, 4:06:28 AMparent1547153
2 files changedLine totals unavailable