From 760f1b29126def5927da37aad6514cdf9d38f094 Mon Sep 17 00:00:00 2001
From: Sergi Almacellas Abellana <sergi@koolpi.com>
Date: Tue, 6 Mar 2018 14:41:39 +0100
Subject: [PATCH] Do not show confirm dialog for buttons with empty value

Since issue6389 the server sets an empty value for the buttons
that do not have any confirmation string

issue7193
---
 src/screen.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/screen.js b/src/screen.js
index 4d50f2ac2d..180a7b9866 100644
--- a/src/screen.js
+++ b/src/screen.js
@@ -1538,7 +1538,7 @@
                     return;
                 }
                 var prm = jQuery.when();
-                if (attributes.confirm !== undefined) {
+                if (attributes.confirm) {
                     prm = Sao.common.sur.run(attributes.confirm);
                 }
                 prm.then(function() {