create database warning

Hi,

# psql83 template1
Password:
Welcome to psql83 8.3.5, the PostgreSQL interactive terminal.

Type: \copyright for distribution terms
\h for help with SQL commands
\? for help with psql commands
\g or terminate with semicolon to execute query
\q to quit

template1=# drop database inf;
DROP DATABASE
template1=# create database inf with encoding 'windows-1251';
WARNING: could not determine encoding for locale "uk_UA.KOI8-U":
codeset is "KOI8-U"
DETAIL: Please report this to <pgsql-bugs(at)postgresql(dot)org>.
CREATE DATABASE
template1=#

What's wrong with it?

--
Nick Strebkov
Public key: http://humgat.org/~nick/pubkey.txt
fpr: 552C 88D6 895B 6E64 F277 D367 8A70 8132 47F5 C1B6