gdb/

gdb/
	* remote.c (remote_trace_find): Change type of parameters 'addr1'
	and 'addr2' to CORE_ADDR.
	* target.c (update_current_target): Update.
	* target.h (struct target_ops) <to_trace_find>: Change parameter
	type to CORE_ADDR.
	* tracepoint.c (tfind_1): Change type of parameters 'addr1' and
	'addr2' to CORE_ADDR.
	(tfile_trace_find): Likewise.
	(tfile_get_traceframe_address): Change return type to CORE_ADDR.
	Change local variable 'addr' to type CORE_ADDR.
	* tracepoint.h (tfind_1): Update declaration.