graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified, so don't pass a pointer to it.

2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
	so don't pass a pointer to it.
	(build_alias_set_for_drs): Same.
	(build_base_obj_set_for_drs): Same.
	(build_scop_drs): Same.

From-SVN: r154555