Const'ify method

src/Gui/SettingsDialog/ShortcutsOptionsPage.cpp

@@ -46,12 +46,12 @@ void ShortcutsOptionsPage::saveChanges()
     mEditor->commit();
 }
 
-bool ShortcutsOptionsPage::isModified()
+bool ShortcutsOptionsPage::isModified() const
 {
     return mEditor->isModified();
 }
 
-void ShortcutsOptionsPage::defaults()
+void ShortcutsOptionsPage::defaults() const
 {
     mEditor->allDefault();
 }

src/Gui/SettingsDialog/ShortcutsOptionsPage.h

@@ -19,8 +19,8 @@ public:
     explicit ShortcutsOptionsPage(QWidget *parent);
     ~ShortcutsOptionsPage();
 
-    bool isModified();
-    void defaults();
+    bool isModified() const;
+    void defaults() const;
 
 Q_SIGNALS:
     void shortCutsChanged();