Adding support for the OpenXR futures extension

modules/openxr/extensions/openxr_valve_analog_threshold_extension.h

@@ -37,6 +37,11 @@
 #include "openxr_extension_wrapper.h"
 
 class OpenXRValveAnalogThresholdExtension : public OpenXRExtensionWrapper {
+	GDCLASS(OpenXRValveAnalogThresholdExtension, OpenXRExtensionWrapper);
+
+protected:
+	static void _bind_methods() {}
+
 public:
 	static OpenXRValveAnalogThresholdExtension *get_singleton();