Bug(s) fixed: 186280
    Bug Description: Close potential security vulnerabilities in CGI code
    Reviewed by: Noriko (Thanks!)
    Fix Description: The code was already pretty clean in terms of buffer
    access.  I added some malloc return checking, used some nspr functions
    where applicable, removed some dead code, and fixed a couple of small
    memory leaks.
    Platforms tested: Fedora Core 5
    Flag Day: no
    Doc impact: no
    QA impact: should be covered by regular nightly and manual testing
    New Tests integrated into TET: none