* cpplex.c (_cpp_init_toklist): No comment space to initialise.
	(_cpp_free_toklist): No comment space to free.
	(expand_comment_space): Remove.
        (save_comment_space): Place the comment in the current token and
        not in a separate comment space.
        (_cpp_lex_line): Save comments during plain code and #define
        directives only.
        * cpplib.h (struct _cpp_toklist): Remove comment space.

From-SVN: r34215