* cppexp.c (cpp_interpret_integer, append_digit, parse_defined,

	eval_token): Clarify and correct use of "bool" variables.
	* cpplib.h (struct cpp_options): Similarly.
	* cppmacro.c (parse_params, _cpp_save_parameter): Ditto.
	* cpptrad.c (recursive_macro): Similarly.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55536 138bc75d-0d04-0410-961f-82ee72b054a4