Coverity Fixes (Part 7)
    
    11704 - Dereference after null check:  repl5_replica_config.c
    
    https://bugzilla.redhat.com/show_bug.cgi?id=970221
    
    Reviewed by: richm(Thanks!)
    (cherry picked from commit a2cfcf7ff93bf2ef7a3cf4ad2ba2c4e0bd098a3a)
    (cherry picked from commit e3b8e2f82b3d5b6223c65db8649e7ddcb46ee916)