reader-pcsc.c: fixed pin checking when implicitly given
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@ -1462,7 +1462,8 @@ static int part10_build_modify_pin_block(struct sc_reader *reader, u8 * buf, siz
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pin_modify->bInsertionOffsetNew = 0x00;
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}
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if (!data->pin1.min_length || !data->pin1.max_length)
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if (!(data->flags & SC_PIN_CMD_IMPLICIT_CHANGE)
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&& (!data->pin1.min_length || !data->pin1.max_length))
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return SC_ERROR_INVALID_ARGUMENTS;
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tmp16 = (data->pin1.min_length << 8 ) + data->pin1.max_length;
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