comparison view/Pane.cpp @ 232:5de07bba4676 sv1-1.0pre3

* Fix crash on startup on Windows

 //    std::cerr << "Pane[" << this << "]::zoomLevelChanged (global now "
 //              << (m_manager ? m_manager->getGlobalZoom() : 0) << ")" << std::endl;
 
     View::viewZoomLevelChanged(v, z, locked);
 
-    if (!m_vthumb->isVisible()) return;
+    if (m_hthumb && !m_hthumb->isVisible()) return;
 
     if (v != this) {
         if (!locked || !m_followZoom) return;
     }