libf2c/configure.in change

[Jeffrey A Law]

  In message < rzqn2frw6m5.fsf@djlvig.dl.ac.uk >you write:
  > Bother.  I didn't look closely enough originally, and dmg's remark
  > suggested the opposite...
  > 
  >  Toon> OTOH, with this change, they could freely exchange such  
  >  Toon> files with Digital Fortran on Digital UNIX.
  > 
  >  Toon> I have no strong feeling either way, but if we're going to break  
  >  Toon> backwards compatibility, we should write that down in the release  
  >  Toon> notes.
  > 
  > I think it shouldn't go in.  Pity I didn't spot that definition and
  > its import in the beginning.  Breaking intra-platform compatibility
  > can wait until we do inter-platform portability of unformatted
  > files...
OK.  We'll table this patch.

jeff