FW: PATCH - check for ftruncate/fix for makedep when missing ftruncate (mingw)

[Steven Edwards]

Changelog:	More Mingw work.
    	configure, configure.ac - Configure check for ftruncate.

configure, configure.ac - Configure check for chsize
    	port.h - Use chsize instead of ftruncate if present.
    	port.h - Disable use of HAVE_PREAD and HAVE_WRIT on
Mingw 
    	makedep.c - patch to use port.h

Fix to disable

"Every revolution was once a thought in one man's mind"
- Ralph Waldo Emerson