* alpha-nat.c (fetch_core_registers): Match Sep 4 gdbcore.h prototype

	* alpha-nat.c (fetch_core_registers): Match Sep 4 gdbcore.h prototype
	change for core_read_registers in struct core_fns.
	* core-regset.c (fetch_core_registers): Ditto & add prototype.
	* core-sol2.c (fetch_core_registers): Ditto & add prototype.
	* i386aix-nat.c (fetch_core_registers): Ditto & add prototype.
	* i386b-nat.c (fetch_core_registers): Ditto.
	* i386mach-nat.c (fetch_core_registers): Ditto & add prototype.
	* irix4-nat.c (fetch_core_registers): Ditto.
	* irix5-nat.c (fetch_core_registers): Ditto.
	* lynx-nat.c (fetch_core_registers): Ditto & add prototype.
	* m68knbsd-nat.c (fetch_core_registers): Ditto.
	* mips-nat.c (fetch_core_registers): Ditto & add prototype.
	* rs6000-nat.c (fetch_core_registers): Ditto.
	* sparc-nat.c (fetch_core_registers): Ditto.
	* sun3-nat.c (fetch_core_registers): Ditto & add prototype.
	* ultra3-nat.c (fetch_core_registers): Ditto & add prototype.

	* alpha-nat.c (register_addr): Match Sep 4 gdbcore.h prototype change.
	* delta68-nat.c (register_addr): Ditto.
	* gdbserver/low-linux.c (register_addr): Ditto.
	* gdbserver/low-hppabsd.c (register_addr): Ditto.
	* i386m3-nat.c (register_addr): Ditto.
	* mips-nat.c (register_addr): Ditto.
	* ultra3-nat.c (register_addr): Ditto.