After upgrade from 8.3 to 8.4 in OS X the same server is appearing twice

I recently upgraded my postgresql installation from 8.3 to 8.4 with fink on
OS X. I did this by blowing away everything and doing a clean install.

Now when I run pgadmin is see two servers one called "PostgreSQL 8.3
(localhost:5432)" and the other is "PostgreSQL 8.4 (local:.s.PGSQL.5432)"
but both have the same version string property and identify themselves as
8.4 and both connect to the same databases.

What have I done wrong and why does one insist on calling itself 8.3?

"PostgreSQL 8.3 (localhost:5432)"
=====================
Description PostgreSQL 8.3
Hostname localhost
Port 5432
Encryption not encrypted
Maintenance database postgres
Username postgres
Store password? No
Restore environment? No
Version string PostgreSQL 8.4.8 on i386-apple-darwin10.7.0, compiled by GCC
i686-apple-darwin10-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5666) (dot 3),
64-bit
Version number 8.4
Last system OID 11563
Connected? Yes
Up since 07/08/2011 16:32:46
Configuration loaded since 07/08/2011 16:32:45
Autovacuum running

"PostgreSQL 8.4 (local:.s.PGSQL.5432)"
========================
Description Postgres 8.4
Hostname local:
Port 5432
Maintenance database postgres
Username postgres
Store password? Yes
Restore environment? Yes
Version string PostgreSQL 8.4.8 on i386-apple-darwin10.7.0, compiled by GCC
i686-apple-darwin10-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5666) (dot 3),
64-bit
Version number 8.4
Last system OID 11563
Connected? Yes
Up since 07/08/2011 16:32:46
Configuration loaded since 07/08/2011 16:32:45
Autovacuum running

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