preprocessor/7312: bootstrap failure due to invalid use of errno

[bangerth@dealii.org]

Synopsis: bootstrap failure due to invalid use of errno

Responsible-Changed-From-To: unassigned->neil
Responsible-Changed-By: bangerth
Responsible-Changed-When: Fri May  9 15:20:35 2003
Responsible-Changed-Why:
    Neil, this file seems to be your pet. There's a patch in
    this PR that seems like relatively low risk (and is small).
    Would you mind taking a look at it?
    
    Thanks
      W.
State-Changed-From-To: feedback->open
State-Changed-By: bangerth
State-Changed-When: Fri May  9 15:20:35 2003
State-Changed-Why:
    .

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=7312