Ticket #161 - Review and address latest Coverity issues
    
    https://fedorahosted.org/389/ticket/161
    Resolves: Ticket #161
    Bug Description: Review and address latest Coverity issues
    Reviewed by: nhosoi (Thanks!)
    Branch: master
    Fix Description:
    12456-12455 Time of check time of use
    get rid of unused code
    
    12454 Time of check time of use In change_uid()
    open file first using open() and perform other operations using the fd
    
    12452 Format string vulnerability
    get rid of unused code
    
    12448 Time of check time of use
    get rid of unused code
    
    11147-11146 Missing varargs init or cleanup
    be sure to call va_end() to cleanup
    
    11145 Resource leak In cgid_server()
    close(sd) before leaving function
    
    11144-11142 Resource leak
    get rid of unused code
    
    11141 Resource leak In list_directory():
    free ar
    
    11140 Resource leak
    get rid of unused code
    
    11121 Missing break in switch
    get rid of unused code
    Platforms tested: RHEL6 x86_64
    Flag Day: no
    Doc impact: no