Revert "Fix: Listbox was sometimes sending EGET_LISTBOX_SELECTED_AGAIN instead of EGET_LISTBOX_CHANGED."

This broke scrolling in listboxes, as they would always reset to top position.
reverts commit 1967d71cfb

source/Irrlicht/CGUIListBox.h

@@ -154,7 +154,6 @@ namespace gui
 
 		core::array< ListItem > Items;
 		s32 Selected;
-		s32 HoverSelected;	// When >= 0 we're in the middle of changing selection while mouse is pressed. We need to know so selected again isn't called too often.
 		s32 ItemHeight;
 		s32 ItemHeightOverride;
 		s32 TotalItemHeight;
@@ -162,7 +161,7 @@ namespace gui
 		gui::IGUIFont* Font;
 		gui::IGUISpriteBank* IconBank;
 		gui::IGUIScrollBar* ScrollBar;
-		u32 SelectTime;
+		u32 selectTime;
 		u32 LastKeyTime;
 		core::stringw KeyBuffer;
 		bool Selecting;