* Makefile.in: Note dependencies on bucomm.h.

	* Makefile.in: Note dependencies on bucomm.h.
	(cplus-dem.o): Link c++filt with version.o.

	* strings.c: Include bucomm.h and add prototypes to other decls.
	Remove -h option.

	* bucomm.h: Declare xrealloc.

	* nm.c, objcopy.c, objdump.c, size.c, strings.c (main, usage): Add
	--help option.  Put "GNU" in the version message.
	(usage): Take stream and exit status as args.
	(main): Pass new args to usage.