diff --git a/src/Navaids/PositionedOctree.hxx b/src/Navaids/PositionedOctree.hxx index 167f37a0d..1e04d6fd2 100644 --- a/src/Navaids/PositionedOctree.hxx +++ b/src/Navaids/PositionedOctree.hxx @@ -153,6 +153,7 @@ namespace Octree virtual void visitForLines(const SGVec3d& aPos, double aCutoff, PolyLineList& aLines, FindLinesDeque& aQ) const = 0; + virtual ~Node() {} protected: Node(const SGBoxd &aBox, int64_t aIdent) : _ident(aIdent),