avoid initializing meta_context::value when definition of meta_type_n…

…ode is unavailable

src/entt/meta/context.hpp

@@ -15,7 +15,7 @@ namespace internal {
 struct meta_type_node;
 
 struct meta_context {
-    dense_map<id_type, meta_type_node, identity> value{};
+    dense_map<id_type, meta_type_node, identity> value;
 
     [[nodiscard]] inline static meta_context &from(meta_ctx &ctx);
     [[nodiscard]] inline static const meta_context &from(const meta_ctx &ctx);