fixed wrong var in error message.

    print CRT "\n";

    print CRT "$val\n";

    print CRT ("=" x length($val) . "\n");

    close(CRT) or die "Couldn't close $file: $!";

    close(CRT) or die "Couldn't close $crt: $!";

    open(TMP, ">$tmp") or die "Couldn't open $tmp: $!";

    print TMP "$val\n";

    print TMP "-----BEGIN CERTIFICATE-----\n";