BUG #5168: cannot login to server

The following bug has been logged online:

Bug reference:      5168
Logged by:          Abhishek
Email address:      abhishek.sawant111@gmail.com
PostgreSQL version: 8.4
Operating system:   Linux Fedora 8
Description:        cannot login to server
Details:

server[localhost]:localhost enter
Databse[postgres]:global enter
Port [5432]: 5432 enter
User [postgres]:postgres enter

After enter it showing me error:-

/opt/PostgreSQL/8.4/bin/psql: error while loading shared
libraries:libssl.so.4:
cannot open shared object file: No such file or directory

Press <return> to continue...
After that terminal is closed.

Please give information on Postgresql how to use.