update LICENSE date

LICENSE

configure

src/66/66-fdholder-filler.c

src/66/66-hpr.c

src/66/66-oneshot.c

src/66/66-shutdown.c

src/66/66-shutdownd.c

src/66/66.c

src/extra-tools/66-echo.c

src/extra-tools/66-nuke.c

src/extra-tools/66-umountall.c

src/extra-tools/execl-envfile.c

src/include/66/66.h

src/include/66/constants.h

src/include/66/enum.h

src/include/66/environ.h

src/include/66/graph.h

src/include/66/hpr.h

src/include/66/info.h

src/include/66/instance.h