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

[Tobias Schlüter]

Jerry DeLisle wrote:
>>>This updated patch and test case bubblestrapped and regtested on 
>>>i686-pc-linux-gnu.
>>>
>>>2005-07-09  Jerry DeLisle  <jvdelisle@verizon.net>
>>>
>>>   PR libfortran/21875  (FM111.f)
>>>   * io/read.c (next_char): Return a ' ' character when BLANK_ZERO or
>>>   BLANK_NULL are active.
>>>   (read_decimal): Interpret ' ' character correctly for BZ or BN.
>>>   (read_radix): Interpret ' ' character correctly for BZ or BN.
>>>   (read_f): Interpret ' ' character correctly for BZ or BN.
>>>   * gfortran.dg/test (fmt_read_bz_bn.f90): New test case.
>>> 
...
> 
> Whitespace fixed and comitted to mainline.
> 

4.0 is open again, so can you please commit this to 4.0 as well after the
obligatory testing?

- Tobi