lots of changes
diff --git a/includes/sensor_threshold.h b/includes/sensor_threshold.h
index 0e0991c..3d35067 100644
--- a/includes/sensor_threshold.h
+++ b/includes/sensor_threshold.h
@@ -2,6 +2,7 @@
 #define __SENSOR_THRESHOLDS_H__
 
 #include <stdint.h>
+#include "interfaces/sensor2.h"
 
 typedef enum { NOT_SET,NORMAL,LOWER_CRITICAL,LOWER_WARNING,UPPER_WARNING,UPPER_CRITICAL } threshold_states;