/src/cmd/diff/mkfile - Plan 9 from User Space

Plan 9 from User Space's /usr/local/plan9/src/cmd/diff/mkfile

<$PLAN9/src/mkhdr

TARG=diff
OFILES=\
	diffdir.$O\
	diffio.$O\
	diffreg.$O\
	main.$O\

HFILES=diff.h

<$PLAN9/src/mkone