fix warnings

Fix a couple warnings so we can use meson warning level 3.  Instances of
the following warnings are found and resolved:

  Wreorder
  Wsign-compare

Change-Id: Ia223b42aa6bf743cfa0e7042cc3d5a18977459be
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/src/ExitAirTempSensor.cpp b/src/ExitAirTempSensor.cpp
index 9692f7f..adf670e 100644
--- a/src/ExitAirTempSensor.cpp
+++ b/src/ExitAirTempSensor.cpp
@@ -166,8 +166,8 @@
            std::move(thresholdData), sensorConfiguration,
            "xyz.openbmc_project.Configuration.ExitAirTemp", cfmMaxReading,
            cfmMinReading),
-    std::enable_shared_from_this<CFMSensor>(), dbusConnection(conn),
-    parent(parent), objServer(objectServer)
+    std::enable_shared_from_this<CFMSensor>(), parent(parent),
+    dbusConnection(conn), objServer(objectServer)
 {
     sensorInterface =
         objectServer.add_interface("/xyz/openbmc_project/sensors/cfm/" + name,