Coverity Fixes (Part 2)
    
    11674 - logically dead code (collate.c)
    11675 - logically dead code (windows_protocol_util.c)
    11676 - logically dead code (index.c)
    11677 - logically dead code (ldbm_entryrdn.c)
    11678 - logically dead code (ldbm_entryrdn.c)
    11680 - logically dead code (ldbm_search.c)
    11681 - Dead default in switch (seq.c)
    11683 - logically dead code (bind.c)
    11684 - logically dead code (connection.c)
    11686 - Dead default in switch (log.c)
    11687 - Dead default in switch (log.c)
    11688 - Dead default in switch (log.c)
    11689 - Dead default in switch (log.c)
    11690 - Dead default in switch (log.c)
    11691 - Dead default in switch (log.c)
    
    https://bugzilla.redhat.com/show_bug.cgi?id=970221
    
    Reviewed by: nhosoi(Thanks!)