lightningd: rename --no-reconnect to --dev-no-reconnect.

It's a dev option.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

lightningd/lightningd.c

@@ -47,6 +47,8 @@ static struct lightningd *new_lightningd(const tal_t *ctx,
 	ld->dev_disconnect_fd = -1;
 	ld->dev_hsm_seed = NULL;
 	ld->dev_subdaemon_fail = false;
+	ld->no_reconnect = false;
+
 	if (getenv("LIGHTNINGD_DEV_MEMLEAK"))
 		memleak_init(ld, backtrace_state);
 #endif