* breakpoint.c (create_exception_catchpoint): Remove prototype

	* breakpoint.c (create_exception_catchpoint): Remove prototype
	for already deleted function.
	* breakpoint.h (ep_is_exception_catchpoint): Likewise.
	* frame.h (show_stack_frame): Remove prototype.
	* stack.c (show_stack_frame): Remove empty, unused function.
	* source.c (symtab_to_fullname, print_source_lines): Small fix
	in comment.
	* value.c (show_values): Update comments to mention "show values"
	command instead of "info history".