Fix wxPropertyGrid compilation when wxUSE_TOOLBAR==0

Don't use toolbar associated with wxPG in this case.

include/wx/propgrid/manager.h

@@ -459,9 +459,11 @@ public:
         return m_pPropGrid->GetSelection();
     }
 
+#if wxUSE_TOOLBAR
     /** Returns a pointer to the toolbar currently associated with the
         wxPropertyGridManager (if any). */
     wxToolBar* GetToolBar() const { return m_pToolbar; }
+#endif // wxUSE_TOOLBAR
 
     /** Creates new property page. Note that the first page is not created
         automatically.

src/propgrid/manager.cpp

@@ -1409,6 +1409,7 @@ void wxPropertyGridManager::OnPaint( wxPaintEvent& WXUNUSED(event) )
 
     if ( HasExtraStyle(wxPG_EX_TOOLBAR_SEPARATOR) )
     {
+#if wxUSE_TOOLBAR
         if (m_pToolbar && m_pPropGrid)
         {
             wxPen marginPen(m_pPropGrid->GetMarginColour());
@@ -1417,6 +1418,7 @@ void wxPropertyGridManager::OnPaint( wxPaintEvent& WXUNUSED(event) )
             int y = m_pPropGrid->GetPosition().y-1;
             dc.DrawLine(0, y, GetClientSize().x, y);
         }
+#endif // wxUSE_TOOLBAR
     }
 
     // Repaint splitter and any other description box decorations