Use include/gomp-constants.h more actively.

Use include/gomp-constants.h more actively.

	include/
	* gomp-constants.h: Update.  Change all users.

	gcc/
	* builtins.c (expand_builtin_acc_on_device): Use
	include/gomp-constants.h.
	* omp-low.c (expand_omp_target, oacc_process_reduction_data)
	(lower_omp_target): Likewise.
	* tree-core.h (enum omp_clause_map_kind): Likewise.
	gcc/c-family/
	* c-omp.c (c_finish_oacc_wait): Use include/gomp-constants.h.
	gcc/c/
	* c-parser.c (c_parser_oacc_clause_async): Use
	include/gomp-constants.h.
	gcc/cp/
	* parser.c (cp_parser_oacc_clause_async): Use
	include/gomp-constants.h.
	gcc/fortran/
	* openmp.c (gfc_match_omp_clauses): Use include/gomp-constants.h.

	libgomp/
	* Makefile.am: Don't add ../include/gomp-constants.h to
	nodist_libsubinclude_HEADERS.

	libgomp/
	* openacc.h: Don't include "gomp-constants.h".

	libgomp/
	* oacc-parallel.c (dump_var): Remove.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gomp-4_0-branch@218840 138bc75d-0d04-0410-961f-82ee72b054a4