Rover: radio.cpp correct whitespace, remove tabs

APMrover2/radio.cpp

@@ -20,7 +20,6 @@ void Rover::set_control_channels(void)
             hal.rcout->set_safety_pwm(1UL<<(rcmap.roll()-1),  channel_steer->get_radio_trim());
         }
     }
-
     // setup correct scaling for ESCs like the UAVCAN PX4ESC which
     // take a proportion of speed.
     hal.rcout->set_esc_scaling(channel_throttle->get_radio_min(), channel_throttle->get_radio_max());
@@ -32,7 +31,7 @@ void Rover::init_rc_in()
     channel_steer->set_default_dead_zone(30);
     channel_throttle->set_default_dead_zone(30);
 
-	//set auxiliary ranges
+    // set auxiliary ranges
     update_aux();
 }
 
@@ -90,12 +89,11 @@ void Rover::rudder_arm_disarm_check()
 
             if (rudder_arm_timer == 0 ||
                 now - rudder_arm_timer < 3000) {
-
                 if (rudder_arm_timer == 0) {
                     rudder_arm_timer = now;
                 }
             } else {
-				//time to arm!
+                // time to arm!
                 arm_motors(AP_Arming::RUDDER);
                 rudder_arm_timer = 0;
             }
@@ -116,7 +114,7 @@ void Rover::rudder_arm_disarm_check()
                     rudder_arm_timer = now;
                 }
             } else {
-				//time to disarm!
+                // time to disarm!
                 disarm_motors();
                 rudder_arm_timer = 0;
             }
@@ -184,7 +182,6 @@ void Rover::read_radio()
     }
 
     rudder_arm_disarm_check();
-
 }
 
 void Rover::control_failsafe(uint16_t pwm)