Ensure the "mpfr_clear" statement is executed in mpfr_poly_bound_newton
Ensure the "mpfr_clear" statement is executed in mpfr_poly_bound_newton

wbhart/flint2,dsroche/flint2,jpflori/flint2,dsroche/flint2,fredrik-johansson/flint2,wbhart/flint2,dsroche/flint2,jpflori/flint2,fredrik-johansson/flint2,dsroche/flint2,fredrik-johansson/flint2,wbhart/flint2,jpflori/flint2,jpflori/flint2