Unify code/unix-glibc2.lisp into code/unix.lisp
Merge code/unix-glibc2.lisp into code/unix.lisp and deleting unix-glibc2.lisp.
The unix-glibc2.lisp contrib will remain, however.
Merge code/unix-glibc2.lisp into code/unix.lisp and deleting unix-glibc2.lisp.
The unix-glibc2.lisp contrib will remain, however.