Disable "fake gps" when coordinates are 0,0.

See issue tftelkamp#17
tftelkamp#17
Change line 368 accordingly.

main.cpp

@@ -365,7 +365,16 @@ void sendstat() {
     t = time(NULL);
     strftime(stat_timestamp, sizeof stat_timestamp, "%F %T %Z", gmtime(&t));
 
-    int j = snprintf((char *)(status_report + stat_index), STATUS_SIZE-stat_index, "{\"stat\":{\"time\":\"%s\",\"lati\":%.5f,\"long\":%.5f,\"alti\":%i,\"rxnb\":%u,\"rxok\":%u,\"rxfw\":%u,\"ackr\":%.1f,\"dwnb\":%u,\"txnb\":%u,\"pfrm\":\"%s\",\"mail\":\"%s\",\"desc\":\"%s\"}}", stat_timestamp, lat, lon, (int)alt, cp_nb_rx_rcv, cp_nb_rx_ok, cp_up_pkt_fwd, (float)0, 0, 0,platform,email,description);
+    int j;
+
+    if(lat==0 || lon==0)
+    {
+      j = snprintf((char *)(status_report + stat_index), STATUS_SIZE-stat_index, "{\"stat\":{\"time\":\"%s\",\"rxnb\":%u,\"rxok\":%u,\"rxfw\":%u,\"ackr\":%.1f,\"dwnb\":%u,\"txnb\":%u,\"pfrm\":\"%s\",\"mail\":\"%s\",\"desc\":\"%s\"}}", stat_timestamp, cp_nb_rx_rcv, cp_nb_rx_ok, cp_up_pkt_fwd, (float)0, 0, 0,platform,email,description);
+    }
+    else
+    {
+      j = snprintf((char *)(status_report + stat_index), STATUS_SIZE-stat_index, "{\"stat\":{\"time\":\"%s\",\"lati\":%.5f,\"long\":%.5f,\"alti\":%i,\"rxnb\":%u,\"rxok\":%u,\"rxfw\":%u,\"ackr\":%.1f,\"dwnb\":%u,\"txnb\":%u,\"pfrm\":\"%s\",\"mail\":\"%s\",\"desc\":\"%s\"}}", stat_timestamp, lat, lon, (int)alt, cp_nb_rx_rcv, cp_nb_rx_ok, cp_up_pkt_fwd, (float)0, 0, 0,platform,email,description); 
+    } 
     stat_index += j;
     status_report[stat_index] = 0; /* add string terminator, for safety */