ports/172228: devel/ocaml-extlib: Update to version 1.5.3

[bapt at FreeBSD.org]

Synopsis: devel/ocaml-extlib: Update to version 1.5.3

Responsible-Changed-From-To: miwi->freebsd-ports-bugs
Responsible-Changed-By: bapt
Responsible-Changed-When: Mon Oct 29 09:42:56 UTC 2012
Responsible-Changed-Why: 
Reassign to the heap miwi being overloaded for now

http://www.freebsd.org/cgi/query-pr.cgi?pr=172228