Copy over from cs branch:

Copy over from cs branch:

	* cpplib.h (struct cpp_token):  Change type of field line to fileline.
	(cpp_error_with_line):  Use fileline for appropriate parameter.
	* cpphash.h (struct cpp_macro):  Change type of field line to fileline.
	(struct cpp_reader):  Likewise for fields line and directive_line.
	(_cpp_begin_message):  Use fileline for appropriate parameter.
	* cpperror.c (print_location, _cpp_begin_message, cpp_error_with_line,
	cpp_error):  Use fileline for appropriate parameters and variables.
	(print_location):  New local lin, since it is not a fileline.

From-SVN: r70826