Increment proxy count only after new proxy is set up

src/generator.c

@@ -853,8 +853,8 @@ static bool parse_reconnect(proxy_instance_t *proxi, json_t *val)
 
 	ret = true;
 	newsi = ckzalloc(sizeof(server_instance_t));
-	newsi->id = ckp->proxies++;
-	ckp->servers = realloc(ckp->servers, sizeof(server_instance_t *) * ckp->proxies);
+	newsi->id = ckp->proxies;
+	ckp->servers = realloc(ckp->servers, sizeof(server_instance_t *) * (ckp->proxies + 1));
 	ckp->servers[newsi->id] = newsi;
 	newsi->url = url;
 	newsi->auth = strdup(si->auth);
@@ -872,6 +872,7 @@ static bool parse_reconnect(proxy_instance_t *proxi, json_t *val)
 	proxi->cs = &newsi->cs;
 
 	/* Set chosen server only once all new proxy data exists */
+	ckp->proxies++;
 	ckp->chosen_server = newsi->id;
 out:
 	return ret;