Fix: Put unused var into comments to later use.

code/AssetLib/DXF/DXFLoader.cpp

@@ -583,7 +583,7 @@ void DXFImporter::ParseInsertion(DXF::LineReader& reader, DXF::FileData& output)
 static constexpr unsigned int DXF_POLYLINE_FLAG_CLOSED = 0x1;
 // Currently unused
 //static constexpr unsigned int DXF_POLYLINE_FLAG_3D_POLYLINE = 0x8;
-static constexpr unsigned int DXF_POLYLINE_FLAG_3D_POLYMESH = 0x10;
+//static constexpr unsigned int DXF_POLYLINE_FLAG_3D_POLYMESH = 0x10;
 static constexpr unsigned int DXF_POLYLINE_FLAG_POLYFACEMESH = 0x40;
 
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