#113 Bug in GS1 validation for AI 253 (max length)

[Daniel Gredler]

I think the max length for AI 253 is 30 characters, but the code seems to think that 31 is OK:

    if (ai_value[i] == 253) { // GDTI
        if ((data_length[i] < 14) || (data_length[i] > 31)) {
            error_latch = 1;
        } else {
            error_latch = 0;
        }
    }

[Robin Stuart]

Thank you, Daniel, you are once again correct. I have changed this.