comparison transform/ModelTransformerFactory.h @ 486:4c000e196bf1

* don't pre-declare classes in Vamp namespace (namespace may change!)

 #include "Transform.h"
 #include "TransformDescription.h"
 
 #include "ModelTransformer.h"
 
+#include <vamp-hostsdk/PluginBase.h>
+
 #include <map>
 #include <set>
-
-namespace Vamp { class PluginBase; }
 
 class AudioPlaySource;
 
 class ModelTransformerFactory : public QObject
 {