fix license

Author: xurui1995

lib/gc/Transforms/DecomposeAggregatedOps.cpp

@@ -1,6 +1,6 @@
-//===- DecomposeAggregatedOps.cpp --------------------------------*- C++-*-===//
+//===-- DecomposeAggregatedOps.cpp - Decompose Aggregated Ops ---*- C++ -*-===//
 //
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// This file is licensed under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //