Add support for OCCT 7.8.0 (#11909)

src/Mod/Import/App/Tools.h

@@ -24,12 +24,13 @@
 #define IMPORT_TOOLS_H
 
 #include <Quantity_ColorRGBA.hxx>
-#include <TDF_LabelMapHasher.hxx>
 #include <TopoDS_Shape.hxx>
 #include <XCAFDoc_ColorTool.hxx>
 #include <XCAFDoc_ShapeTool.hxx>
 #include <App/Color.h>
 
+#include <Standard_Version.hxx>
+
 namespace Import
 {
 
@@ -37,7 +38,11 @@ struct ShapeHasher
 {
     std::size_t operator()(const TopoDS_Shape& shape) const
     {
+#if OCC_VERSION_HEX >= 0x070800
+        return std::hash<TopoDS_Shape> {}(shape);
+#else
         return shape.HashCode(INT_MAX);
+#endif
     }
 };
 
@@ -45,7 +50,11 @@ struct LabelHasher
 {
     std::size_t operator()(const TDF_Label& label) const
     {
+#if OCC_VERSION_HEX >= 0x070800
+        return std::hash<TDF_Label> {}(label);
+#else
         return TDF_LabelMapHasher::HashCode(label, INT_MAX);
+#endif
     }
 };