tcpwraper errors with v2.3.9.3

My system was working fine with version 2.3.9.2.  I upgraded to 2.3.9.3 and I am getting tcpwraper errors:

imap-login: Error: connect(tcpwrap) failed: No such file or directory Here's my config:

login_access_sockets = tcpwrap

service tcpwrap { unix_listener login/tcpwrap { group = $default_login_user mode = 0600 user = $default_login_user } }

Any ideas what's happening?

-- Bob Wooldridge