fixed double deletion (patch #945491)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@27663 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/dynload.cpp

@@ -222,7 +222,8 @@ void wxPluginLibrary::UnregisterModules()
     for ( it = m_wxmodules.begin(); it != m_wxmodules.end(); ++it )
         wxModule::UnregisterModule( *it );
 
-    WX_CLEAR_LIST(wxModuleList, m_wxmodules);
+    // NB: content of the list was deleted by UnregisterModule calls above:
+    m_wxmodules.clear();
 }