[Patch, Fortran] -fcoarray=lib: Change handling of this_image() and num_images()

[Tobias Burnus]

Tobias Burnus wrote:
> Hence, the attached patch adds a this_image() and num_images() library 
> function. As the library is only build statically and -fcoarray=lib is 
> not widely used due to lacking communication support, I wouldn't count 
> this patch as real ABI break and there shouldn't be a problem from 
> that side.

> PPS: I intent to create an SVN branch to collect the coarray changes.

I have now committed it to the fortran-caf branch (Rev. 208424).

Tobias