safe outside systems with getaddrinfo().
* bug fix: on 64-bit systems setting the nursery size above 4Gb now works.
(lp#870868)
+ * bug fix: SB-POSIX tests failed on OpenBSD 5.0. (lp#892707)
changes in sbcl-1.0.53 relative to sbcl-1.0.52:
* enhancement: on 64-bit targets, in src/compiler/generic/early-vm.lisp,