fix the LICH_CNT

SP5WWP/m17-coder/m17-coder-sym.c

@@ -659,6 +659,7 @@ int main(int argc, char* argv[])
             randomize_bits(rf_bits);
             send_data(frame_buff, &frame_buff_cnt, rf_bits);
             fwrite((uint8_t*)frame_buff, SYM_PER_FRA*sizeof(float), 1, stdout);
+            lich_cnt = (lich_cnt + 1) % 6; //continue with next LICH_CNT
 
             //if we are done, and the stream is signed, so we need to transmit the signature (4 frames)
             if(signed_str)

SP5WWP/m17-decoder/m17-decoder-sym.c

@@ -596,7 +596,7 @@ int main(int argc, char* argv[])
                     lich_cnt=lich_b[5]>>5;
 
                     //If we're at the start of a superframe, or we missed a frame, reset the LICH state
-                    if((lich_cnt==0) || ((fn % 0x8000)!=expected_next_fn))
+                    if((lich_cnt==0) || ((fn % 0x8000)!=expected_next_fn && fn<0x7FFC))
                         lich_chunks_rcvd=0;
 
                     lich_chunks_rcvd|=(1<<lich_cnt);