update name of compiler in gcc.texi

[Jeffrey A Law]

  In message < 199907301830.LAA29477@atrus.synopsys.com >you write:
  > I sent this to Jeff previously because our relay site was temporarily
  > in ORBS.  This should go in the 2.95 release branch (either for 2.95a
  > if we do it or 2.95.1).
  > 
  > Thu Jul 29 12:34:45 1999  Joe Buck  <jbuck@synopsys.com>
  > 
  > 	* gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
  > 	Also update copyright.
Thanks.  Installed on the branch (for gcc-2.95.1) and the mainline tree.  The
updates will appear in the online docs tomorrow.

jeff