add commented out option to allow use of older PKITS data

my $ossl_cmd = "$ossl_path cms -verify -verify_retcode ";

$ossl_cmd .= "-CAfile pkitsta.pem -crl_check_all -x509_strict ";

# Uncomment out following line to use older data (uses Dec 10 00:29:26 2010)

# $ossl_cmd .= "-attime 1291940972 ";

$ossl_cmd .= "-policy_check -extended_crl -use_deltas -out /dev/null 2>&1 ";

system "$ossl_path x509 -inform DER -in $pkitsta -out pkitsta.pem";