Copter: use set_range_in() for tuning channel

this allows channel 6 to be used for something else for output

ArduCopter/radio.cpp

@@ -39,10 +39,10 @@ void Copter::init_rc_in()
     channel_yaw->set_type(RC_CHANNEL_TYPE_ANGLE_RAW);
 
     //set auxiliary servo ranges
-    g.rc_5.set_range(0,1000);
-    g.rc_6.set_range(0,1000);
-    g.rc_7.set_range(0,1000);
-    g.rc_8.set_range(0,1000);
+    g.rc_5.set_range_in(0,1000);
+    g.rc_6.set_range_in(0,1000);
+    g.rc_7.set_range_in(0,1000);
+    g.rc_8.set_range_in(0,1000);
 
     // set default dead zones
     default_dead_zones();

ArduCopter/tuning.cpp

@@ -17,7 +17,7 @@ void Copter::tuning() {
     }
 
     // set tuning range and then get new value
-    g.rc_6.set_range(g.radio_tuning_low,g.radio_tuning_high);
+    g.rc_6.set_range_in(g.radio_tuning_low,g.radio_tuning_high);
     float tuning_value = (float)g.rc_6.control_in / 1000.0f;
     // Tuning Value should never be outside the bounds of the specified low and high value
     tuning_value = constrain_float(tuning_value, g.radio_tuning_low/1000.0f, g.radio_tuning_high/1000.0f);