GDBM THANKS file.

Many people further contributed to GDBM by reporting problems,
suggesting various improvements or submitting actual code. Here is a list
of these people. Help us keep it complete and exempt of errors.

Bill Jones              <rj7252@att.com>
Matthew Burgess		<matthew@linuxfromscratch.org>
Tanaka Akira 		<akr@fsij.org>
