You can ofcourse always add stuff via LD_LIBRARY_PATH for a shell but that will only work for the shell that you are logged in. To make a permanent changes:
However, this will go away after you reboot the box, so you will need to add the line above to your rc.local startup file. For level3 /etc/rc3.d/S99rc.local.
su - root
/usr/bin/crle -c /var/ld/ld.config -l /lib:/usr/lib:/usr/local/lib:/usr/local/ssl/lib:/other/lib/directories
However, this will go away after you reboot the box, so you will need to add the line above to your rc.local startup file. For level3 /etc/rc3.d/S99rc.local.