9load mkfile: don't copy to lookout
 [rsc] --rw-rw-r-- M 836007 glenda sys 3116 Apr 14 13:22 sys/src/boot/pc/mkfile
	/n/sourcesdump/2006/0414/plan9/sys/src/boot/pc/mkfile:167,174 - 
	/n/sourcesdump/2006/0415/plan9/sys/src/boot/pc/mkfile:167,174
	  		mk $MKFLAGS $i.install
	  
	  %.install:V:	$BIN/%
	- 	import lookout / /n/lookout
	- 	cp $prereq /n/lookout/$prereq
	+ 	# import lookout / /n/lookout
	+ 	# cp $prereq /n/lookout/$prereq
	  
	  $BIN/%:	%
	  	cp $stem $BIN/$stem