comms/tlf: unbreak build after 8e39e791b0a9

sendqrg.c:103:6: error: use of undeclared identifier 'FILPATHLEN'

FILPATHLEN - 1);
^

sendqrg.c:120:52: error: use of undeclared identifier 'FILPATHLEN'

strncpy(my_rig->state.pttport.pathname, ptt_file, FILPATHLEN);
                                                  ^

sendqrg.c:122:52: error: use of undeclared identifier 'FILPATHLEN'

strncpy(my_rig->state.dcdport.pathname, dcd_file, FILPATHLEN);
                                                  ^

Reported by: pkg-fallout