[Patch, Fortran] PR55763 - Fix MOVE_ALLOC with CLASS(*)

[Tobias Burnus]

*ping*

http://gcc.gnu.org/ml/fortran/2012-12/msg00167.html

Tobias Burnus:
> Fix one of the remaining issues of PR 55763: MOVE_ALLOC with CLASS(*) 
> either for both arguments or only for TO=.
>
> Build and regtested on x86-64-gnu-linux.
> OK for the trunk?
>
> Tobias