[Patch, Fortran] PR37076 - fix kind=4 string concatenation

[Jerry DeLisle]

Tobias Burnus wrote:
> Dear all,
> 
> due to an oversight, the result of concatenating two kind=4 strings was
> a kind=1 string.
> 
> Build and regtested (almost finished) on x86-64-linux.
> OK for the trunk (unless regtesting fails)?
> 
> Tobias
> 
Yes, after passing, thanks for the fix!

Jerry