* gfortran.dg/data_char_1.f90: Fix typo, add dg-do directive.
* gfortran.dg/direct_io_1.f90: Add dg-do directive.
* gfortran.dg/entry_1.f90: Fix typo, add dg-do directive.
* gfortran.dg/getenv_1.f90: Add dg-do directive.
* gfortran.dg/pr16597.f90, gfortran.dg/pr17143.f90,
gfortran.dg/pr17164.f90: Add missing dg-do directives.

From-SVN: r93994