0024023: Revamp the OCCT Handle -- general

[occt.git] / src / Graphic3d / Graphic3d_MapOfStructure.hxx

diff --git a/src/Graphic3d/Graphic3d_MapOfStructure.hxx b/src/Graphic3d/Graphic3d_MapOfStructure.hxx
index 6298725..b90cb1c 100644 (file)
--- a/src/Graphic3d/Graphic3d_MapOfStructure.hxx
+++ b/src/Graphic3d/Graphic3d_MapOfStructure.hxx
@@ -18,6 +18,7 @@
 
 #include <NCollection_Map.hxx>
 
+class Graphic3d_Structure;
 typedef NCollection_Map<Handle(Graphic3d_Structure)> Graphic3d_MapOfStructure;
 
 #endif // _Graphic3d_MapOfStructure