(ITS#6721) uninitialized timeout in back-ldap

[h . b . furuseth]

Full_Name: Hallvard B Furuseth
Version: 4.2.19 - 4.2.23
OS: 
URL: ftp://ftp.openldap.org/incoming/
Submission from: (NULL) (129.240.6.233)
Submitted by: hallvard


ITS#6282 introduced
                        struct timeval tv;
                        tv.tv_sec = -1;
in back-ldap: extended.c and config.c.  This leaves tv_usec uninitialized
and the timeout possibly positive.  Fixing to:
                        struct timeval tv = { -1, 0 };