Change in K4 ticket cache format

[Sam Hartman]

>>>>> "Jeffrey" == Jeffrey Altman <jaltman at MIT.EDU> writes:

    Jeffrey> Jeffrey Hutzelman wrote:
    >> I should think a krb4 library would already know the local byte
    >> order, since you need to know that in order to handle the
    >> "sender's choice" byte ordering used in the krb4 protocol.
    >> Lacking that, I believe there is an autoconf test for this.

    Jeffrey> Please be aware of the MacOS X case in which it is going
    Jeffrey> to be the case on the new Intel hardware that you will
    Jeffrey> have applications using both byte orderings on the same
    Jeffrey> machine at the same time.

We don't support file-based ccaches for krb4 on OS X, do we?

However an autoconf byte order test is inappropriate because of OS X
style build systems.  Use the same tests as the AES code.