[backlog] fix issue with bad altitudes in backlog, resulting from no-fix dps getting included in averages

firmware/src/sequencer.c

@@ -107,17 +107,17 @@ void run_sequencer(uint32_t n)
   /* Telemetry  */
   telemetry_sequence(dp, n);
 
+  if (gps_is_locked() == GPS_LOCKED) { /* gps is locked. we can use this data */
     /* Accumulator for backlog */
     accumulator_add(dp);
 
     /* Backlog */
-  if (((n % 15) == 10) &&     /* Once per hour with 4 minute wakeup */
+    if ((n % 15) == 10) {    /* Once per hour with 4 minute wakeup */
-      gps_is_locked() == GPS_LOCKED) { /* And the gps is locked */
 
       /* replace some values from this sample with averages */
       accumulator_read(dp);
 
-
       record_backlog(dp);
     }
   }
+}