Do not use const strings for the copyright and the license

diff --git a/src/moonshot-window.vala b/src/moonshot-window.vala
index f6fe105..a8d04be 100644 (file)
--- a/src/moonshot-window.vala
+++ b/src/moonshot-window.vala
@@ -418,9 +418,9 @@ class MainWindow : Window
             null
         };
 
-        const string copyright = "Copyright 2011 JANET";
+        string copyright = "Copyright 2011 JANET";
 
-        const string license =
+        string license =
 """
 Copyright (c) 2011, JANET(UK)
 All rights reserved.