Fix OpenCascade include

CHANGELOG.md

@@ -21,6 +21,7 @@ v5.3.0
 **NekMesh**
 - Replace VTK pointers with VTK smart-pointers to avoid memory leaking, when
 exporting in .vtu format (!1386)
+- Fix a header include which caused compilation errors on OCC versions newer than v7.4 (!1395)
 
 v5.2.0
 ------

library/NekMesh/CADSystem/OCE/OpenCascade.h

@@ -37,6 +37,8 @@
 
 /// This is a list of OpenCascade headers required for use with nektar
 
+#include <Standard_Version.hxx>
+
 /// IO classes
 #include <STEPCAFControl_Reader.hxx>
 #include <StepRepr_RepresentationItem.hxx>
@@ -60,7 +62,11 @@
 #include <BRep_Tool.hxx>
 #include <GCPnts_AbscissaPoint.hxx>
 #include <GProp_GProps.hxx>
+
+#if OCC_VERSION_MAJOR < 7 || (OCC_VERSION_MAJOR == 7 && OCC_VERSION_MINOR < 4)
 #include <GeomAdaptor_HSurface.hxx>
+#endif
+
 #include <GeomLProp_CLProps.hxx>
 #include <GeomLProp_SLProps.hxx>
 #include <ShapeAnalysis_Curve.hxx>