Fix threshold updating

The object type was never stored so it was never
updated. Also change threshold size to count of
thresholds for if anything has multiple thresholds.

Tested-by: set thresholds for front panel temp

Change-Id: I0949261b87336eb4a85cf596805c02683fb30d9b
Signed-off-by: James Feist <james.feist@linux.intel.com>
diff --git a/include/sensor.hpp b/include/sensor.hpp
index de790c8..bba2c4d 100644
--- a/include/sensor.hpp
+++ b/include/sensor.hpp
@@ -11,8 +11,9 @@
            const std::string& configurationPath, const std::string& objectType,
            const double max, const double min) :
         name(name),
-        path(path), thresholds(std::move(thresholdData)),
-        configurationPath(configurationPath), maxValue(max), minValue(min)
+        path(path), configurationPath(configurationPath),
+        objectType(objectType), thresholds(std::move(thresholdData)),
+        maxValue(max), minValue(min)
     {
     }
     virtual ~Sensor() = default;
@@ -105,7 +106,8 @@
                     oldValue = request; // todo, just let the config do this?
                     threshold.value = request;
                     thresholds::persistThreshold(configurationPath, objectType,
-                                                 threshold, conn);
+                                                 threshold, conn,
+                                                 thresholds.size());
                     return 1;
                 });
             iface->register_property(alarm, false);