tree-data-ref.c (compute_all_dependences): Change the type of dependence_relations to VEC(ddr_p,heap)**.

	* tree-data-ref.c (compute_all_dependences): Change the type
	of dependence_relations to VEC(ddr_p,heap)**.
	(compute_data_dependences_for_loop): Change the type of
	allrelations to VEC(ddr_p,heap)*.

From-SVN: r99778