Thanks to Martin Schwenke <martin@meltin.net> for pointing this out.
$(INSTALL_PROGRAM) -D $(HELPER) $(DESTDIR)$(sbindir)/$(HELPER)
@if [ "x$(USE_LSB)" = "xtrue" ]; then \
$(INSTALL_PROGRAM) -D etc/init.d/udev.init.LSB $(DESTDIR)$(initdir)/udev; \
- ln -s $(DESTDIR)$(initdir)/udev $(sbin_dir)/rcudev; \
+ ln -s $(DESTDIR)$(initdir)/udev $(sbindir)/rcudev; \
else \
$(INSTALL_PROGRAM) -D etc/init.d/udev $(DESTDIR)$(initdir)/udev; \
fi