Remove cloog_initialize and cloog_finalize when using official CLooG releases.

Remove cloog_initialize and cloog_finalize when using official CLooG releases.

This requires to initialize the Parma Polyhedra Library by graphite,
as newer CLooG versions are not bound to a PPL backend.

2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>

	* graphite.c (graphite_initialize): Do not initialize
	CLooG and initialize the Parma Polyhedra Library
	manually when using CLOOG_ORG.
	(graphite_finalize): Do not finalize CLooG and finalize
	the Parma Polyhedra Library manually when using CLOOG_ORG.
	* graphite-cloog-compat.h (cloog_initialize): Hide function
	when using CLOOG_ORG.
	(cloog_finalize): Same.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@163166 138bc75d-0d04-0410-961f-82ee72b054a4