From 0ad78eaf55d36f8854f143b3437370fe09755eee Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Sun, 16 Jun 2013 16:06:20 +0200
Subject: [PATCH] Return explicit 0 from have_version_check() to avoid
 wxMenuItem->Enable errors

---
 lib/Slic3r/GUI.pm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/Slic3r/GUI.pm b/lib/Slic3r/GUI.pm
index 00e56f4fa..d264f73fc 100644
--- a/lib/Slic3r/GUI.pm
+++ b/lib/Slic3r/GUI.pm
@@ -282,7 +282,8 @@ sub save_settings {
 sub have_version_check {
     my $class = shift;
     
-    return $Slic3r::have_threads && $Slic3r::build && eval "use LWP::UserAgent; 1";
+    # return an explicit 0
+    return ($Slic3r::have_threads && $Slic3r::build && eval "use LWP::UserAgent; 1") || 0;
 }
 
 sub check_version {