[FIX] light shader for roi box was not aplied directly

src/core/graphicsEngine/WROIBox.cpp

@@ -209,6 +209,8 @@ WROIBox::WROIBox( WPosition minPos, WPosition maxPos ) :
     setUserData( this );
     setUpdateCallback( osg::ref_ptr<ROIBoxNodeCallback>( new ROIBoxNodeCallback ) );
 
+    m_lightShader->apply( this );
+
     setDirty();
 }
 
@@ -368,8 +370,6 @@ void WROIBox::updateGFX()
         setVertices( vertices, m_minPos->get(), m_maxPos->get() );
         m_surfaceGeometry->setVertexArray( vertices );
 
-        m_lightShader->apply( this );
-
         setDirty();
         m_needVertexUpdate = false;
     }