transport: simplify duplicating a substring in transport_get() using xmemdupz()

diff --git a/parse-options.h b/parse-options.h
index 3189676695bc173cf6475445cfb6365d08a37906..7940bc71af4c6dacd65d042091454c8fa83c53c7 100644 (file)
--- a/parse-options.h
+++ b/parse-options.h
@@ -176,8 +176,8 @@ extern NORETURN void usage_msg_opt(const char *msg,
 
 extern int optbug(const struct option *opt, const char *reason);
 extern int opterror(const struct option *opt, const char *reason, int flags);
-#if defined(__GNUC__) && ! defined(__clang__)
-#define opterror(o,r,f) (opterror((o),(r),(f)), -1)
+#if defined(__GNUC__)
+#define opterror(o,r,f) (opterror((o),(r),(f)), const_error())
 #endif
 
 /*----- incremental advanced APIs -----*/