From b30f989f442410fad4f4a469fda55e183fecff89 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20Victor=20Oliveira=20Couto?=
 <jictyvoo.ecomp@gmail.com>
Date: Mon, 16 Dec 2019 12:54:44 -0300
Subject: [PATCH] builder_js: fix mutable error

---
 vlib/strings/builder_js.v | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/vlib/strings/builder_js.v b/vlib/strings/builder_js.v
index d5a4b7b947..dc8a97b87e 100644
--- a/vlib/strings/builder_js.v
+++ b/vlib/strings/builder_js.v
@@ -7,7 +7,7 @@ module strings
 pub struct Builder {
 mut:
 	buf []byte
-pub:
+pub mut:
 	len int
 	initial_size int = 1
 }