Const correctness.

src/modules/partition/gui/ChoicePage.cpp

@@ -306,14 +306,14 @@ ChoicePage::init( PartitionCoreModule* core, const OsproberEntryList& osproberEn
 
 
 bool
-ChoicePage::isNextEnabled()
+ChoicePage::isNextEnabled() const
 {
     return m_nextEnabled;
 }
 
 
 ChoicePage::Choice
-ChoicePage::currentChoice()
+ChoicePage::currentChoice() const
 {
     return m_choice;
 }

src/modules/partition/gui/ChoicePage.h

@@ -1,6 +1,6 @@
 /* === This file is part of Calamares - <http://github.com/calamares> ===
  *
- *   Copyright 2014, Teo Mrnjavac <teo@kde.org>
+ *   Copyright 2014-2015, Teo Mrnjavac <teo@kde.org>
  *
  *   Calamares is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -46,9 +46,9 @@ public:
 
     void init( PartitionCoreModule* core, const OsproberEntryList& osproberEntries );
 
-    bool isNextEnabled();
+    bool isNextEnabled() const;
 
-    Choice currentChoice();
+    Choice currentChoice() const;
 
 signals:
     void nextStatusChanged( bool );