* src/files.c (open_files): Initialize graph_obstack.
* src/print_graph.c (print_actions): CPP out useless code.
(print_core): Don't output the last `\n' in labels.
* src/files.c (open_files): Initialize graph_obstack.
* src/print_graph.c (print_actions): CPP out useless code.
(print_core): Don't output the last `\n' in labels.