trailer: streamline trailer item create and add

diff --git a/parse-options.h b/parse-options.h
index b2cc6a5574ddb28b9737c7a5f8841dc55a57a450..dcd8a0926cc9c18fd49d800bc83064259eced279 100644 (file)
--- a/parse-options.h
+++ b/parse-options.h
@@ -215,7 +215,7 @@ extern int parse_options_step(struct parse_opt_ctx_t *ctx,
 
 extern int parse_options_end(struct parse_opt_ctx_t *ctx);
 
-extern int parse_options_concat(struct option *dst, size_t, struct option *src);
+extern struct option *parse_options_concat(struct option *a, struct option *b);
 
 /*----- some often used options -----*/
 extern int parse_opt_abbrev_cb(const struct option *, const char *, int);