fix: HoTT telemetry GPS latitude sign may be wrong in certain circumstances (#3649)

* evaluate every N/S hemisphere latitude position for setting sign in decimal GPS coordinates

* explicit struct init

radio/src/telemetry/hott.cpp

@@ -453,7 +453,7 @@ void processHottPacket(const uint8_t * packet)
   const HottSensor *sensor;
   int32_t value;
   static uint8_t prev_page = 0, prev_value = 0;
-  static HottGPSMinutes min = {};
+  static HottGPSMinutes min = { 0, 0, 0 };
   int16_t deg = 0, sec = 0;
 
   // Set RX Event (HoTT warnings) 
@@ -557,9 +557,7 @@ void processHottPacket(const uint8_t * packet)
 
           // GPS latitude
           min.value = (int16_t) (packet[11] + (packet[12] << 8));
-          if (packet[10] == 1) {
-            min.isNegative = true;
-          }
+          min.isNegative = (packet[10] == 1);
           break;
 
         case HOTT_PAGE_02: