Cleanup.

2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
	ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
	* graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.

From-SVN: r157283