AP_Baro: skip cal on watchdog reset

libraries/AP_Baro/AP_Baro.cpp

@@ -183,6 +183,10 @@ AP_Baro::AP_Baro()
 // the altitude() or climb_rate() interfaces can be used
 void AP_Baro::calibrate(bool save)
 {
+    if (hal.util->was_watchdog_reset()) {
+        gcs().send_text(MAV_SEVERITY_INFO, "Baro: skipping calibration");
+        return;
+    }
     gcs().send_text(MAV_SEVERITY_INFO, "Calibrating barometer");
 
     // reset the altitude offset when we calibrate. The altitude