graph : make llm_graph_context destructor virtual (#14410)

ggml-ci

diff --git a/src/llama-graph.h b/src/llama-graph.h
index 4b1ec354dfc30f06d00b4dcb1d73857e8ca10cb8..ee2197e892b5a8c4d958c465959327b6d4678bc2 100644 (file)
--- a/src/llama-graph.h
+++ b/src/llama-graph.h
@@ -475,6 +475,7 @@ struct llm_graph_context {
     std::unique_ptr<llm_graph_result> res;
 
     llm_graph_context(const llm_graph_params & params);
+    virtual ~llm_graph_context() = default;
 
     void cb(ggml_tensor * cur, const char * name, int il) const;