Merging r6196 through r6248 from trunk to ogl-es branch

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@6249 dfc29bdd-3216-0410-991c-e03cc46cb475

source/Irrlicht/CGUIListBox.cpp

@@ -720,6 +720,7 @@ void CGUIListBox::serializeAttributes(io::IAttributes* out, io::SAttributeReadWr
 			}
 		}
 	}
+	out->addInt("Selected", Selected);
 }
 
 
@@ -759,6 +760,8 @@ void CGUIListBox::deserializeAttributes(io::IAttributes* in, io::SAttributeReadW
 			}
 		}
 	}
+	Selected = in->getAttributeAsInt("Selected", Selected);
+	recalculateScrollPos();
 }