sdbusplus: use shorter type aliases

The sdbusplus headers provide shortened aliases for many types.
Switch to using them to provide better code clarity and shorter
lines.  Possible replacements are for:
  * bus_t
  * exception_t
  * manager_t
  * match_t
  * message_t
  * object_t
  * slot_t

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I9541d521bf67882215a4a66dce020e38ac2df065
diff --git a/occ_dbus.hpp b/occ_dbus.hpp
index 8d88b80..90fc498 100644
--- a/occ_dbus.hpp
+++ b/occ_dbus.hpp
@@ -13,11 +13,11 @@
 
 using ObjectPath = std::string;
 
-using SensorIntf = sdbusplus::server::object::object<
+using SensorIntf = sdbusplus::server::object_t<
     sdbusplus::xyz::openbmc_project::Sensor::server::Value>;
 using OperationalStatusIntf =
-    sdbusplus::server::object::object<sdbusplus::xyz::openbmc_project::State::
-                                          Decorator::server::OperationalStatus>;
+    sdbusplus::server::object_t<sdbusplus::xyz::openbmc_project::State::
+                                    Decorator::server::OperationalStatus>;
 
 // Note: Not using object<> so the PropertiesVariant ctor is available.
 using AssociationIntf =