AP_Compass: remove trailing whitespaces

libraries/AP_Compass/Compass.cpp

@@ -346,7 +346,7 @@ const AP_Param::GroupInfo Compass::var_info[] = {
     // @Increment: 0.1
     // @User: Advanced
     AP_GROUPINFO("CAL_FIT", 30, Compass, _calibration_threshold, 8.0f),
-    
+
     AP_GROUPEND
 };
 
@@ -473,22 +473,22 @@ void Compass::_detect_backends(void)
     }
 }
 
-void 
+void
 Compass::accumulate(void)
-{    
+{
     for (uint8_t i=0; i< _backend_count; i++) {
         // call accumulate on each of the backend
         _backends[i]->accumulate();
     }
 }
 
-bool 
+bool
 Compass::read(void)
 {
     for (uint8_t i=0; i< _backend_count; i++) {
         // call read on each of the backend. This call updates field[i]
         _backends[i]->read();
-    }    
+    }
     for (uint8_t i=0; i < COMPASS_MAX_INSTANCES; i++) {
         _state[i].healthy = (AP_HAL::millis() - _state[i].last_update_ms < 500);
     }
@@ -741,7 +741,7 @@ void Compass::setHIL(uint8_t instance, const Vector3f &mag)
     _state[instance].last_update_usec = AP_HAL::micros();
 }
 
-const Vector3f& Compass::getHIL(uint8_t instance) const 
+const Vector3f& Compass::getHIL(uint8_t instance) const
 {
     return _hil.field[instance];
 }
@@ -751,7 +751,7 @@ void Compass::_setup_earth_field(void)
 {
     // assume a earth field strength of 400
     _hil.Bearth(400, 0, 0);
-    
+
     // rotate _Bearth for inclination and declination. -66 degrees
     // is the inclination in Canberra, Australia
     Matrix3f R;