Changes
3/28/2013 jichi

The orignal package is ftp://ftp.sra.co.jp/pub/misc/eb/eb-4.4.3.tar.bz2

* build-pre.h: remove <sys/time.h>
* sysdefs.h: generated by macports, but EB_ENABLE_EBNET is disabled.
* add <inttypes.h> and ssize_t
* zio.h: replace ssize_t with size_t
* config.h: manually added to force include sysdefs.h
