Change default settings: GPS enabled.

main/gen_gdl90.go

@@ -1065,7 +1065,7 @@ var globalStatus status
 func defaultSettings() {
 	globalSettings.UAT_Enabled = true
 	globalSettings.ES_Enabled = true
-	globalSettings.GPS_Enabled = false
+	globalSettings.GPS_Enabled = true
 	//FIXME: Need to change format below.
 	globalSettings.NetworkOutputs = []networkConnection{
 		{Conn: nil, Ip: "", Port: 4000, Capability: NETWORK_GDL90_STANDARD | NETWORK_AHRS_GDL90},