Some GCC files still using GPLv1

[Jeffrey A Law]

  In message < Pine.SOL.4.21.0004291933060.7475-100000@red.csi.cam.ac.uk >you wri
te:
  > The following files in GCC are still distributed under GPL version 1, or,
  > at your option, any later version.  Should they be updated to refer to GPL
  > version 2?
Yes they should.  I thought I had updated everything to v2 long ago.  I
don't know how these slipped through the cracks.

jeff