cppcoreguidelines-pro-type-union-access

According to https://github.com/isocpp/CppCoreGuidelines/blob/master/CppCoreGuidelines.md using union for type-punning is undefined behaviour.
 Replace it with std::memcpy

src/Mod/Robot/App/WaypointPyImp.cpp

@@ -202,8 +202,7 @@ Py::Object WaypointPy::getPos(void) const
 
 void WaypointPy::setPos(Py::Object arg)
 {
-    union PyType_Object pyType = {&(Base::PlacementPy::Type)};
-    Py::Type PlacementType(pyType.o);
+    Py::Type PlacementType(Base::getTypeAsObject(&(Base::PlacementPy::Type)));
     if(arg.isType(PlacementType))
         getWaypointPtr()->EndPos = *static_cast<Base::PlacementPy*>((*arg))->getPlacementPtr();
 }