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: Ib15ce49ac136da396084ab09972dd132f02beeea
diff --git a/snmp_conf_manager.hpp b/snmp_conf_manager.hpp
index afbfad8..d8823f3 100644
--- a/snmp_conf_manager.hpp
+++ b/snmp_conf_manager.hpp
@@ -20,7 +20,7 @@
 namespace details
 {
 
-using CreateIface = sdbusplus::server::object::object<
+using CreateIface = sdbusplus::server::object_t<
     sdbusplus::xyz::openbmc_project::Network::Client::server::Create>;
 
 } // namespace details
@@ -43,7 +43,7 @@
      *  @param[in] bus - Bus to attach to.
      *  @param[in] objPath - Path to attach at.
      */
-    ConfManager(sdbusplus::bus::bus& bus, const char* objPath);
+    ConfManager(sdbusplus::bus_t& bus, const char* objPath);
 
     /** @brief Function to create snmp manager details D-Bus object.
      *  @param[in] address- IP address/Hostname.
@@ -76,7 +76,7 @@
 
   private:
     /** @brief sdbusplus DBus bus object. */
-    sdbusplus::bus::bus& bus;
+    sdbusplus::bus_t& bus;
 
     /** @brief Path of Object. */
     std::string objectPath;