serial: fix parity for inverse coding convention Important note: it is my (Mother Mychaela's) understanding that SIM cards with inverse coding convention are extremely rare, and I have never seen such a card. Therefore, our support for the inverse coding convention will likely remain forever untested.

/* these global vars hold info about the currently selected EF */

unsigned curfile_total_size, curfile_structure;
unsigned curfile_record_len, curfile_record_count;