Ticket #538 - hardcoded sasl2 plugin path in ldaputil.c, saslbind.c
    
    Bug description: The hardcoded sasl2 path is Fedora/RHEL specific.
    It needs to support other architectures with other filesystem
    format.
    
    Fix description: This patch supports ARM architectures with GNU
    triplet format.
    
    https://fedorahosted.org/389/ticket/538
    
    Reviewed by rmeggins (Thank you, Rich!)