Merge branch 'rs/cleanup-strbuf-users'

Code clean-up.

* rs/cleanup-strbuf-users:
  graph: use strbuf_addchars() to add spaces
  use strbuf_addstr() for adding strings to strbufs
  path: use strbuf_add_real_path()

sequencer.c

@@ -204,7 +204,7 @@ int sequencer_remove_state(struct replay_opts *opts)
 		free(opts->xopts[i]);
 	free(opts->xopts);
 
-	strbuf_addf(&dir, "%s", get_dir(opts));
+	strbuf_addstr(&dir, get_dir(opts));
 	remove_dir_recursively(&dir, 0);
 	strbuf_release(&dir);