getting rid of the nullptr compatibility nonsense. Hopefully once and for all

apps/openmw/mwgui/layouts.cpp

@@ -56,7 +56,7 @@ StatsWindow::StatsWindow (MWWorld::Environment& environment)
     for (int i = 0; i < ESM::Skill::Length; ++i)
     {
         skillValues.insert(std::make_pair(i, MWMechanics::Stat<float>()));
-        skillWidgetMap.insert(std::make_pair(i, nullptr));
+        skillWidgetMap.insert(std::make_pair(i, static_cast<MyGUI::StaticText*> (0)));
     }
 
     MyGUI::WindowPtr t = static_cast<MyGUI::WindowPtr>(mMainWidget);

apps/openmw/mwgui/review.cpp

@@ -82,7 +82,7 @@ ReviewDialog::ReviewDialog(MWWorld::Environment& environment)
     for (int i = 0; i < ESM::Skill::Length; ++i)
     {
         skillValues.insert(std::make_pair(i, MWMechanics::Stat<float>()));
-        skillWidgetMap.insert(std::make_pair(i, nullptr));
+        skillWidgetMap.insert(std::make_pair(i, static_cast<MyGUI::StaticText*> (0)));
     }
 
     static_cast<MyGUI::WindowPtr>(mMainWidget)->eventWindowChangeCoord = MyGUI::newDelegate(this, &ReviewDialog::onWindowResize);