Log Message:
Update clib to version 0.3.

Changes since version 0.2.2:
 - Added additional socket functions (str2addrinfo, str2sockaddr,
   connect2addrinfo and bind2addrinfo).
 - C++ compatibility (no variables named new, etc).
 - Use more const.
 - NetBSD compatibility for getnameinfo().
 - Bugfixes.