Fix crash when leaving ghost replay screen

src/guiengine/widgets/list_widget.cpp

@@ -54,11 +54,11 @@ void ListWidget::setIcons(STKModifiedSpriteBank* icons, int size)
     m_use_icons = (icons != NULL);
     m_icons = icons;
 
+    CGUISTKListBox* list = getIrrlichtElement<CGUISTKListBox>();
+    assert(list != NULL);
+
     if (m_use_icons)
     {
-        CGUISTKListBox* list = getIrrlichtElement<CGUISTKListBox>();
-        assert(list != NULL);
-
         list->setSpriteBank(m_icons);
 
         // determine needed height
@@ -83,6 +83,10 @@ void ListWidget::setIcons(STKModifiedSpriteBank* icons, int size)
             list->setItemHeight( item_height );
         }
     }
+    else
+    {
+        list->setSpriteBank(NULL);
+    }
 
 }
 

src/states_screens/ghost_replay_selection.cpp

@@ -50,6 +50,7 @@ GhostReplaySelection::~GhostReplaySelection()
 // ----------------------------------------------------------------------------
 void GhostReplaySelection::tearDown()
 {
+    m_replay_list_widget->setIcons(NULL);
     delete m_icon_bank;
     m_icon_bank = NULL;
 }