[gfortran, PR 18540] A few statement label cleanups

[Tobias.Schlueter@Physik.Uni-Muenchen.DE]

Quoting FX Coudert <fxcoudert@gmail.com>:

> > I also took the opportunity to convert the ChangeLog to use latin1
> > characters,
> > as they are allowed there[1] and appear in my name.
>
> Yeah, so cool for the 3/5th of the world whose name can not be properly
> written in latin1!

You forgot about our Chinese contributors :]

- Tobi