AP_Baro: Change from division to multiplication

libraries/AP_Baro/AP_Baro_BMP280.cpp

@@ -162,7 +162,7 @@ void AP_Baro_BMP280::_update_temperature(int32_t temp_raw)
     _t_fine = var1 + var2;
     t = (_t_fine * 5 + 128) >> 8;
 
-    const float temp = ((float)t) / 100.0f;
+    const float temp = ((float)t) * 0.01f;
 
     WITH_SEMAPHORE(_sem);
     

libraries/AP_Baro/AP_Baro_SITL.cpp

@@ -66,7 +66,7 @@ void AP_Baro_SITL::_timer()
         return;
     }
 
-    sim_alt += _sitl->baro[_instance].drift * now / 1000.0f;
+    sim_alt += _sitl->baro[_instance].drift * now * 0.001f;
     sim_alt += _sitl->baro[_instance].noise * rand_float();
 
     // add baro glitch