libf2c update

[Jeffrey A Law]

  In message < rzqhg1d17sf.fsf@djlvig.dl.ac.uk >you write:
  > Approved by burley:
  > 
  > 1998-06-19  Dave Love  <d.love@dl.ac.uk>
  > 
  > 	* libI77/backspace.c, libI77/dfe.c, libI77/due.c, libI77/iio.c,
  > 	libI77/lread.c, libI77/ sfe.c, libI77/sue.c, libI77/wsfe.c: Update
  > 	to Netlib version of 1998-06-18.
No need to run it by us :-)  As far as I'm concerned Craig owns libf2c 
just like the fortran front end stuff.

jeff