Restore check for OpenMP for construct.

	gcc/
	* omp-low.c (lower_rec_input_clauses) <build_omp_barrier>: Restore
	check for GF_OMP_FOR_KIND_FOR.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@208633 138bc75d-0d04-0410-961f-82ee72b054a4