PR fortran/84116
	* openmp.c (gfc_match_omp_clauses): If all the linear
	gfc_match_omp_variable_list calls failed, don't gfc_free_omp_namelist
	nor set *head = NULL.  Formatting fixes.

	* gfortran.dg/gomp/pr84116.f90: New test.

From-SVN: r257266