GCS_MAVLink: supply IMU temperature in mavlink extensions

libraries/GCS_MAVLink/GCS_Common.cpp

@@ -1602,8 +1602,8 @@ void GCS_MAVLINK::send_raw_imu()
         mag.x,
         mag.y,
         mag.z,
-        0,  // for now, only instance 0 is sent
-        0); // TODO: get the IMU temperature
+        0,  // we use SCALED_IMU and SCALED_IMU2 for other IMUs
+        int16_t(ins.get_temperature(0)*100));
 }
 
 void GCS_MAVLINK::send_scaled_imu(uint8_t instance, void (*send_fn)(mavlink_channel_t chan, uint32_t time_ms, int16_t xacc, int16_t yacc, int16_t zacc, int16_t xgyro, int16_t ygyro, int16_t zgyro, int16_t xmag, int16_t ymag, int16_t zmag, int16_t temperature))
@@ -1642,7 +1642,7 @@ void GCS_MAVLINK::send_scaled_imu(uint8_t instance, void (*send_fn)(mavlink_chan
         mag.x,
         mag.y,
         mag.z,
-        0); // TODO: get the IMU temperature
+        int16_t(ins.get_temperature(instance)*100));
 }