Fixed bug with windows not moving to front when clicked, reported by pc0de

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@1257 dfc29bdd-3216-0410-991c-e03cc46cb475

source/Irrlicht/CGUIWindow.cpp

@@ -158,12 +158,8 @@ bool CGUIWindow::OnEvent(const SEvent& event)
 			DragStart.X = event.MouseInput.X;
 			DragStart.Y = event.MouseInput.Y;
 			Dragging = true;
-			if (!Environment->hasFocus(this))
-			{
-				Environment->setFocus(this);
-				if (Parent)
-					Parent->bringToFront(this);
-			}
+			if (Parent)
+				Parent->bringToFront(this);
 			return true;
 		case EMIE_LMOUSE_LEFT_UP:
 			Dragging = false;