Changed sharedir to depend on $(datadir), use $(DESTDIR) in 'install' target as requested by Dag Wieers <dag@wieers.com>.
Changed sharedir to depend on $(datadir), use $(DESTDIR) in 'install' target
as requested by Dag Wieers <dag@wieers.com>.

shmux/shmux,shmux/shmux,shmux/shmux