mysql_declare_plugin(innobase): Initialize the fields

reserved1 (apparently the system variables) and
reserved2 (apparently the configuration options).

handler/ha_innodb.cc

@@ -7615,7 +7615,9 @@ mysql_declare_plugin(innobase)
   innobase_init, /* Plugin Init */
   NULL, /* Plugin Deinit */
   0x0100 /* 1.0 */,
-  innodb_status_variables_export
+  innodb_status_variables_export,
+  NULL,                       /* system variables                */
+  NULL                        /* config options                  */
 }
 mysql_declare_plugin_end;