* new-features.xml (ov-new1.7.19): Align mandatory locking text to
	today's changes.
	* Makefile.in: Add rule to rebuild Makefile if Makefile.in changes.
	Include Makefile.dep last.
	(Makefile.dep): Run xidepend within source dir.  Temporarily drop
	faq.xml from dependencies.
	* xidepend: Fix creating base filename to accommodate VPATH.