bugfix for mstune of graph merge

ge/graph/partition/graph_partition.cc

@@ -386,7 +386,7 @@ graphStatus ge::GraphPartitioner::AddPlaceHolderEndInSrcDstGraph(const AnchorPtr
                   src_node_opdesc->GetOpEngineName()), GELOGW("SetStr frontNodeEngineName failed");)
   std::string l2_info_attr;
   if (AttrUtils::GetStr(src_node_opdesc, "_task_L2FusionInfo", l2_info_attr)) {
-      GE_IF_BOOL_EXEC(!AttrUtils::SetStr(pld_op_desc, "_task_L2FusionInfo", l2_info_attr),
+    GE_IF_BOOL_EXEC(!AttrUtils::SetStr(pld_op_desc, "_task_L2FusionInfo", l2_info_attr),
                   GELOGW("SetStr l2_info_attr failed");)
   }
   int64_t anchor_index_for_lxfusion;