Timeout doesn't work (ITS#983)

[raldi@research.netsol.com]

Full_Name: Mike Schiraldi
Version: HEAD
OS: RHL 7.0
URL: 
Submission from: (NULL) (216.168.254.240)


do_ldap_select is called with timeout == NULL even if -l is used on the
ldapsearch command line. I added in a fprintf:

$ ./clients/tools/ldapsearch -l 1 -h ldap.openldap.org   
os-ip.c: fd bits=8, timeout=0x0
[...]