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: I5763a3249f5c8baba800cf5886cb0df4d6b21e58
diff --git a/src/storagecommands.cpp b/src/storagecommands.cpp
index dc6c91b..d79c6d4 100644
--- a/src/storagecommands.cpp
+++ b/src/storagecommands.cpp
@@ -73,7 +73,7 @@
 // collision to verify our dev-id
 boost::container::flat_map<uint8_t, std::pair<uint8_t, uint8_t>> deviceHashes;
 
-static sdbusplus::bus::bus dbus(ipmid_get_sd_bus_connection());
+static sdbusplus::bus_t dbus(ipmid_get_sd_bus_connection());
 
 static bool getSensorMap(std::string sensorConnection, std::string sensorPath,
                          SensorMap& sensorMap)
@@ -134,13 +134,13 @@
 
 bool writeFru()
 {
-    sdbusplus::message::message writeFru = dbus.new_method_call(
+    sdbusplus::message_t writeFru = dbus.new_method_call(
         fruDeviceServiceName, "/xyz/openbmc_project/FruDevice",
         "xyz.openbmc_project.FruDeviceManager", "WriteFru");
     writeFru.append(cacheBus, cacheAddr, fruCache);
     try
     {
-        sdbusplus::message::message writeFruResp = dbus.call(writeFru);
+        sdbusplus::message_t writeFruResp = dbus.call(writeFru);
     }
     catch (const sdbusplus::exception_t&)
     {
@@ -176,13 +176,13 @@
         writeFru();
     }
 
-    sdbusplus::message::message getObjects = dbus.new_method_call(
+    sdbusplus::message_t getObjects = dbus.new_method_call(
         fruDeviceServiceName, "/", "org.freedesktop.DBus.ObjectManager",
         "GetManagedObjects");
     ManagedObjectType frus;
     try
     {
-        sdbusplus::message::message resp = dbus.call(getObjects);
+        sdbusplus::message_t resp = dbus.call(getObjects);
         resp.read(frus);
     }
     catch (const sdbusplus::exception_t&)
@@ -258,7 +258,7 @@
     }
 
     fruCache.clear();
-    sdbusplus::message::message getRawFru = dbus.new_method_call(
+    sdbusplus::message_t getRawFru = dbus.new_method_call(
         fruDeviceServiceName, "/xyz/openbmc_project/FruDevice",
         "xyz.openbmc_project.FruDeviceManager", "GetRawFru");
     cacheBus = deviceFind->second.first;
@@ -266,7 +266,7 @@
     getRawFru.append(cacheBus, cacheAddr);
     try
     {
-        sdbusplus::message::message getRawResp = dbus.call(getRawFru);
+        sdbusplus::message_t getRawResp = dbus.call(getRawFru);
         getRawResp.read(fruCache);
     }
     catch (const sdbusplus::exception_t&)
@@ -446,12 +446,12 @@
 
     ManagedObjectType frus;
 
-    sdbusplus::message::message getObjects = dbus.new_method_call(
+    sdbusplus::message_t getObjects = dbus.new_method_call(
         fruDeviceServiceName, "/", "org.freedesktop.DBus.ObjectManager",
         "GetManagedObjects");
     try
     {
-        sdbusplus::message::message resp = dbus.call(getObjects);
+        sdbusplus::message_t resp = dbus.call(getObjects);
         resp.read(frus);
     }
     catch (const sdbusplus::exception_t&)