Add missing first line in license header for libcxx/test/libcxx/atomics/atomics.ref/assert.*

Author: dalg24

libcxx/test/libcxx/atomics/atomics.ref/assert.compare_exchange_strong.pass.cpp

@@ -1,3 +1,4 @@
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.

libcxx/test/libcxx/atomics/atomics.ref/assert.compare_exchange_weak.pass.cpp

@@ -1,3 +1,4 @@
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.

libcxx/test/libcxx/atomics/atomics.ref/assert.ctor.pass.cpp

@@ -1,3 +1,4 @@
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.

libcxx/test/libcxx/atomics/atomics.ref/assert.load.pass.cpp

@@ -1,3 +1,4 @@
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.

libcxx/test/libcxx/atomics/atomics.ref/assert.store.pass.cpp

@@ -1,3 +1,4 @@
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.

libcxx/test/libcxx/atomics/atomics.ref/assert.wait.pass.cpp

@@ -1,3 +1,4 @@
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.