camera_feedback: fix type passed to param_get()

src/modules/camera_feedback/camera_feedback.cpp

@@ -59,7 +59,7 @@ CameraFeedback::CameraFeedback() :
 	// Parameters
 	_p_feedback = param_find("CAM_FBACK_MODE");
 
-	param_get(_p_feedback, &_camera_feedback_mode);
+	param_get(_p_feedback, (int32_t *)&_camera_feedback_mode);
 
 }
 
@@ -277,4 +277,4 @@ int camera_feedback_main(int argc, char *argv[])
 	}
 
 	return 0;
-}
+}