* frame.c (frame_unwind_unsigned_register): Delete.

	* frame.c (frame_unwind_unsigned_register): Delete.
	(frame_sp_unwind): Use frame_unwind_register_unsigned instead.
	* frame.h (frame_unwind_unsigned_register): Delete prototype.

	* alpha-linux-tdep.c, alpha-mdebug-tdep.c, alpha-tdep.c,
	avr-tdep.c, cris-tdep.c, frv-tdep.c, m68hc11-tdep.c, mn10300-tdep.c,
	mt-tdep.c: Replace frame_unwind_unsigned_register with
	frame_unwind_register_unsigned.

	* gdbint.texinfo (Target Conditionals): Use
	frame_unwind_register_unsigned in examples instead of
	frame_unwind_unsigned_register.