* syntax.c (apply_rules_going_right): Fix crush for lines like

* syntax.c (apply_rules_going_right): Fix crush for lines like
\s+ \n lightgray/13 red
in Syntax file.
(read_one_line): Use EOF instead of -1.
(get_args): Fix buffer overflow for l without trailing
whitespace(s).
(break_a): New macro.
(edit_read_syntax_rules): Use break_a to fix memory leaks.
(edit_load_syntax): Eliminate s and use message to prevent
buffer overflow.