Add simple pre-processor using subprocess and a PIPE. Change the

Add simple pre-processor using subprocess and a PIPE. Change the

2008-03-27  Johan Dahlin  <johan@gnome.org>

	* giscanner/giscannermodule.c:
	* giscanner/scannerlexer.l:
	* giscanner/sourcescanner.c:
	* tools/g-ir-scanner:

	Add simple pre-processor using subprocess and a PIPE.
	Change the parse_file apis to accept a file descriptor.

svn path=/trunk/; revision=169