#4255 Read default plot font sizes from preferences and apply

ApplicationCode/ProjectDataModel/RimRiuQwtPlotOwnerInterface.h

@@ -17,6 +17,7 @@
 /////////////////////////////////////////////////////////////////////////////////
 #pragma once
 
+#include "RiaFontCache.h"
 #include "RimViewWindow.h"
 
 namespace caf
@@ -38,5 +39,4 @@ public:
     
     virtual caf::PdmObject* findRimPlotObjectFromQwtCurve(const QwtPlotCurve* curve) const = 0;
 
-
 };