[simple-scan/gnome-3-14: 3/7] Fix error where document was discarded if warning dialog was closed

[Robert Ancell <rancell src gnome org>]

commit 557b27eb307caefa8eb7e386838d889f3aa82338
Author: Robert Ancell <robert ancell canonical com>
Date:   Mon Feb 16 14:40:56 2015 +1300

    Fix error where document was discarded if warning dialog was closed

 src/ui.vala |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/src/ui.vala b/src/ui.vala
index 2117a9a..e8eeeb4 100644
--- a/src/ui.vala
+++ b/src/ui.vala
@@ -682,11 +682,10 @@ public class UserInterface : Gtk.ApplicationWindow
                 return true;
             else
                 return false;
-        case Gtk.ResponseType.CANCEL:
-            return false;
         case Gtk.ResponseType.NO:
-        default:
             return true;
+        default:
+            return false;
         }
     }