extend convertTo function to also support SbRotation/Base::Rotation

src/Mod/MeshPart/App/AppMeshPartPy.cpp

@@ -33,6 +33,7 @@
 #include <Base/PyObjectBase.h>
 #include <Base/Console.h>
 #include <Base/Vector3D.h>
+#include <Base/Converter.h>
 #include <Base/VectorPy.h>
 #include <Base/GeometryPyCXX.h>
 #include <Mod/Part/App/TopoShapePy.h>

src/Mod/MeshPart/Gui/Command.cpp

@@ -30,6 +30,7 @@
 
 #include <Mod/Mesh/App/MeshFeature.h>
 
+#include <Base/Converter.h>
 #include <App/Application.h>
 #include <App/Document.h>
 #include <Gui/Application.h>

src/Mod/MeshPart/Gui/CurveOnMesh.cpp

@@ -44,6 +44,7 @@
 #endif
 
 #include "CurveOnMesh.h"
+#include <Base/Converter.h>
 #include <App/Document.h>
 #include <Gui/Document.h>
 #include <Gui/MainWindow.h>