Add missing generic parameter to ReactiveCompoundNaturalIdLoader

Author: DavideD

hibernate-reactive-core/src/main/java/org/hibernate/reactive/loader/ast/internal/ReactiveCompoundNaturalIdLoader.java

@@ -18,7 +18,7 @@
 import org.hibernate.reactive.loader.ast.spi.ReactiveNaturalIdLoader;
 import org.hibernate.sql.ast.tree.from.TableGroup;
 
-public class ReactiveCompoundNaturalIdLoader<T> extends CompoundNaturalIdLoader implements ReactiveNaturalIdLoader {
+public class ReactiveCompoundNaturalIdLoader<T> extends CompoundNaturalIdLoader<CompletionStage<T>> implements ReactiveNaturalIdLoader<T> {
 
 	private final ReactiveNaturalIdLoaderDelegate<T> delegate;