Cleanup build relation.

Cleanup build relation.

2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (build_pairwise_constraint): Renamed
	ppl_build_relation.  Moved...
	(dr_equality_constraints): Use ppl_build_relation.
	(build_pairwise_scheduling_equality): Same.
	(build_pairwise_scheduling_inequality): Same.
	* graphite-ppl.c (ppl_build_relation): ...here.
	* graphite-ppl.h (ppl_build_relation): Declared.

From-SVN: r156541