*ping* [patch, fortran] Two associate fixes in dump-parse-tree.c

[Thomas Koenig]

I wrote:

Patch at

https://gcc.gnu.org/ml/gcc-patches/2016-02/msg00941.html

> OK for trunk?
>
> Regards
>
>      Thomas
>
> 2016-02-14  Thomas Koenig  <tkoenig@gcc.gnu.org>
>
>          * dump-parse-tree.c (show_code_node):  Print association
>          list of a block if present.  Handle EXEC_END_BLOCK.