[krbdev.mit.edu #7973] Bad calloc test in krb5_authdata_context_init()

[Will Fiveash via RT]

In krb5_authdata_context_init() I see:

    context = calloc(1, sizeof(*context));
    if (kcontext == NULL) {
        code = ENOMEM;
        goto cleanup;
    }

Seems wrong, no?