AC_Fence: fix example sketch

libraries/AC_Fence/examples/AC_Fence_test/AC_Fence_test.pde

@@ -11,6 +11,7 @@
 #include <AP_HAL_AVR.h>
 
 #include <AP_GPS.h>             // ArduPilot GPS library
+#include <AP_GPS_Glitch.h>      // GPS glitch protection library
 #include <AP_ADC.h>             // ArduPilot Mega Analog to Digital Converter Library
 #include <AP_ADC_AnalogSource.h>
 #include <AP_Baro.h>            // ArduPilot Mega Barometer Library
@@ -48,12 +49,13 @@ AP_Baro_BMP085 baro;
 // GPS declaration
 GPS *gps;
 AP_GPS_Auto auto_gps(&gps);
+GPS_Glitch gps_glitch(gps);
 
 AP_Compass_HMC5843 compass;
 AP_AHRS_DCM ahrs(&ins, gps);
 
 // Inertial Nav declaration
-AP_InertialNav inertial_nav(&ahrs, &ins, &baro, &gps);
+AP_InertialNav inertial_nav(&ahrs, &ins, &baro, gps, gps_glitch);
 
 // Fence
 AC_Fence fence(&inertial_nav);