lp:1023404 problems with savepoints and tokudb with 5.5

fix incorrect merge

sql/handler.cc

@@ -504,10 +504,6 @@ int ha_initialize_handlerton(st_plugin_int *plugin)
                             "Assigning value %d.", plugin->plugin->name, idx);
         hton->db_type= (enum legacy_db_type) idx;
       }
-      installed_htons[hton->db_type]= hton;
-      tmp= hton->savepoint_offset;
-      hton->savepoint_offset= savepoint_alloc_size;
-      savepoint_alloc_size+= tmp;
 
       /*
         In case a plugin is uninstalled and re-installed later, it should