Import libcfile-20130609 as wip/libcfile.

Library for cross-platform C file functions.
+libcfile
Updated to latest release, 20130609. Fix buildlink3.mk to pull in all
the libraries that libcpath links against. From ChangeLog:

20130609
* fix in .pc.in file

20130509
* removed CRT functions
* updated dependencies

20130413
* updated dependencies

20130404
* textual changes
* updated dependencies

20130327
* small updates

20130113
* updated msvscpp files

20130103
* 2013 update
Updated to latest release, 20130609. Fix dependencies in buildlink3.mk.
From ChangeLog:

20130609
* updated dependencies
* fix for compiling with stand-alone version of libcdata