Revert commit:

commit b22b86f6940d2605e78398eca4ae05c3ea44a92c
Author: Ritt Konstantin <ritt.ks@gmail.com>
Date:   Thu Jun 10 07:38:14 2010 +0400

    fix build with -fno-rtti
    
    m_renderDrawWidget object inherits QWidget and can be safely static_cast-ed

as it yields in:

error: invalid static_cast from type ‘Phonon::QT7::IVideoRenderDrawWidget*’ to type ‘QWidget*’


diff --git a/qt7/videowidget.mm b/qt7/videowidget.mm
index 736dcdf..e471140 100644
--- a/qt7/videowidget.mm
+++ b/qt7/videowidget.mm
@@ -578,7 +578,7 @@ public:
                 PhononAutoReleasePool pool;
                 updateDrawFrameRect();
                 if (m_renderDrawWidget)
-                    static_cast<QWidget *>(m_renderDrawWidget)->resize(size());
+                    dynamic_cast<QWidget *>(m_renderDrawWidget)->resize(size());
                 break; }
             case QEvent::Paint:{
                 PhononAutoReleasePool pool;