0.8.2.12:

0.8.2.12:
	More PPC/Linux and x86/BSD fixes
	... try to get recursive includes right;
	... just include target-os.h, which itself includes target-arch-os.h
		(thanks to Gerd Moellmann)
	... comment out attempt number two at ppc/linux floating point, which
		is causing problems on some ppcs (as reported by Eric
		Marsden sbcl-devel 2003-08-01 and kmr on #lisp from the
		Debian buildds... I wonder why this doesn't happen on
		Daniel's iMac)