[PATCH, libgfortran] Fix PR21875 (FM111.f) BN and BZ format specifiers

[Steven Bosscher]

On Wednesday 20 July 2005 07:03, Jerry DeLisle wrote:
> 2005-07-19  Jerry DeLisle  <jvdelisle@verizon.net>
>
> * io/read.c (read_f): Fix reading of trailing blanks in   	exponents
> related to BZ and BN format specifier logic.
> * io/unit.c (init_units): Change default setting of u->flags.blank
> to BLANK_UNSPECIFIED for stdin, stdout, and stderr.
>
> OK to commit to mainline and 4.0?

This seems to fix the input problem. There is still a problem with
strange \0 characters but otherwise e.g. mgrid now produces the
correct output again.  I'll try to figure out where the other problem
is coming from.

Gr.
Steven