Make sure the compiler is aware that SGModelData a child of osg::Referenced, now...

diff --git a/simgear/scene/model/SGReaderWriterXMLOptions.hxx b/simgear/scene/model/SGReaderWriterXMLOptions.hxx
index b9f465425b73e10ce99f7cbd5fd443780ac6a8a1..17532aeece9728eff39d755478d08ff63f0780fa 100644 (file)
--- a/simgear/scene/model/SGReaderWriterXMLOptions.hxx
+++ b/simgear/scene/model/SGReaderWriterXMLOptions.hxx
@@ -19,6 +19,7 @@
 #define SGREADERWRITERXMLOPTIONS_HXX 1
 
 #include <osgDB/ReaderWriter>
+#include <simgear/scene/model/modellib.hxx>
 #include <simgear/props/props.hxx>
 
 class SGPropertyNode;