GDB assignments/disclaimers

[assignments]

The following disclaimers and/or assignments concerning GDB
have recently been added to the file copyright.list here at the 
Free Software Foundation.  If you have any questions or corrections,
please send them to my general work address, 3diff@gnu.org.
                                     Thanks!
                                     Brian Youmans
                                     Assignments Clerk

BINUTILS GDB    Gordon W. Ross  US 1959 1998-02-02
Assigns changes (NetBSD support).
gwr@netbsd.org

GDB     Mark Brinicombe UK 1968 1998-02-01
Assigns changes.
mark@causality.com

BINUTILS GDB    Causality Limited       1998-02-01
Disclaims changes by Mark Brinicombe.