Zutil fix

Former-commit-id: db04797c390be3f156c6f64d999a41332660b79a

src/se/koc/hal/struct/HalSensor.java

@@ -25,6 +25,7 @@ public class HalSensor extends DBBean{
 	private String config;
 
 	// User configuration
+    @DBColumn("user_id")
 	private User user;
 	private long external_id = -1;
     /** local sensor= if sensor should be public. external sensor= if sensor should be requested from host **/