Copter: gcs failsafe disabled by default

ArduCopter/Parameters.cpp

@@ -175,7 +175,7 @@ const AP_Param::Info Copter::var_info[] = {
     // @Description: Controls whether failsafe will be invoked (and what action to take) when connection with Ground station is lost for at least 5 seconds. NB. The GCS Failsafe is only active when RC_OVERRIDE is being used to control the vehicle.
     // @Values: 0:Disabled,1:Enabled always RTL,2:Enabled Continue with Mission in Auto Mode (Deprecated in 4.0+),3:Enabled always SmartRTL or RTL,4:Enabled always SmartRTL or Land,5:Enabled always land (4.0+ Only)
     // @User: Standard
-    GSCALAR(failsafe_gcs, "FS_GCS_ENABLE", FS_GCS_ENABLED_ALWAYS_RTL),
+    GSCALAR(failsafe_gcs, "FS_GCS_ENABLE", FS_GCS_DISABLED),
 
     // @Param: GPS_HDOP_GOOD
     // @DisplayName: GPS Hdop Good