scanner.c (skip_free_comments): Return bool instead of void.

scanner.c (skip_free_comments): Return bool instead of void.

	* scanner.c (skip_free_comments): Return bool instead of void.
	(gfc_next_char_literal): Don't return ' ' if & is missing after
	!$omp or !$.  Use skip_{free,fixed}_comments directly instead
	of gfc_skip_comments.

From-SVN: r117480