2005-07-04  Riccardo Mottola  <rmottola@users.sf.net>

	*config/i386/netbsd1/jit-md.h, config/i386/netbsd1/md.h
	Changed macros to use ucontext_t instead of sigcontext. Also unified them to use macros provided by netbsd that are portable among different platforms to get SP and PC.