Send the SMS attention to host when Execute called

Change-Id: Id523470fcabf59cf2bda592cf1fe687ac44c3328
Signed-off-by: Andrew Geissler <andrewg@us.ibm.com>
diff --git a/host-interface.hpp b/host-interface.hpp
index 56d19d1..a3b7efa 100644
--- a/host-interface.hpp
+++ b/host-interface.hpp
@@ -26,7 +26,8 @@
              const char* objPath) :
              sdbusplus::server::object::object<
                 sdbusplus::xyz::openbmc_project::Control::server::Host>(
-                        bus, objPath)
+                        bus, objPath),
+             bus(bus)
         {}
 
         /** @brief Send input command to host
@@ -37,6 +38,11 @@
          * @param[in] command       - Input command to execute
          */
         void execute(Command command) override;
+
+    private:
+
+        /** @brief Persistent sdbusplus DBus bus connection. */
+        sdbusplus::bus::bus& bus;
 };
 
 } // namespace host