sdbusplus: replace message::variant with std::variant

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I3ca37b91268fdbd8579d92d293997a3d49258a87
diff --git a/include/smbiosmdrv2handler.hpp b/include/smbiosmdrv2handler.hpp
index d677376..3d9b627 100644
--- a/include/smbiosmdrv2handler.hpp
+++ b/include/smbiosmdrv2handler.hpp
@@ -273,7 +273,7 @@
     bool smbiosTryLock(uint8_t flag, uint8_t index, uint16_t *session,
                        uint16_t timeout);
     int sdplusMdrv2GetProperty(const std::string &name,
-                               sdbusplus::message::variant<uint8_t> &value,
+                               std::variant<uint8_t> &value,
                                const std::string &service);
 
     Mdr2DirStruct smbiosDir{smbiosAgentVersion,