Small changes to fmpz_mod_poly_gcd_euclidean
Small changes to fmpz_mod_poly_gcd_euclidean

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