Merge pull request libgit2#6808 from qaqland/fix-demo-for-each-ref

examples: fix memory leak in for-each-ref.c

Author: ethomson

examples/for-each-ref.c

@@ -25,6 +25,8 @@ static int show_ref(git_reference *ref, void *data)
 		   git_object_type2string(git_object_type(obj)),
 		   git_reference_name(ref));
 
+	git_object_free(obj);
+	git_reference_free(ref);
 	if (resolved)
 		git_reference_free(resolved);
 	return 0;