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: Ic63a70d32f4683e0bd92b625cc36c836aa8395a8
diff --git a/functor.cpp b/functor.cpp
index d0dbbcc..272bd14 100644
--- a/functor.cpp
+++ b/functor.cpp
@@ -30,8 +30,8 @@
 {
 namespace functor
 {
-bool PropertyConditionBase::operator()(sdbusplus::bus::bus& bus,
-                                       sdbusplus::message::message&,
+bool PropertyConditionBase::operator()(sdbusplus::bus_t& bus,
+                                       sdbusplus::message_t&,
                                        Manager& mgr) const
 {
     std::string path(_path);
@@ -39,7 +39,7 @@
 }
 
 bool PropertyConditionBase::operator()(const std::string& path,
-                                       sdbusplus::bus::bus& bus,
+                                       sdbusplus::bus_t& bus,
                                        Manager& mgr) const
 {
     std::string host;