[PATCH] Fortran: PR/34908, PR/36276: do not free current_file->filename if it changes

[Daniel Franke]

> 2008-06-20  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
>
>         PR fortran/34908, fortran/36276
>         * scanner.c (preprocessor_line):  Do not call gfc_free for
>         current_file->filename if it differs from filename.

Make this
         PR fortran/34908
         PR fortran/36276
to make everybody happy :)

Btw, this might be a cure for PR36342 as well. I'll try to check if I
can find the time ...

Regards

      Daniel