Update derived file header in archive_writer.rs

Missed this in #2

Author: bjorn3

src/archive_writer.rs

@@ -6,8 +6,8 @@
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
 // Derived from:
-// * https://github.com/llvm/llvm-project/blob/8ef3e895ad8ab1724e2b87cabad1dacdc7a397a3/llvm/include/llvm/Object/ArchiveWriter.h
-// * https://github.com/llvm/llvm-project/blob/8ef3e895ad8ab1724e2b87cabad1dacdc7a397a3/llvm/lib/Object/ArchiveWriter.cpp
+// * https://github.com/llvm/llvm-project/blob/3d3ef9d073e1e27ea57480b371b7f5a9f5642ed2/llvm/include/llvm/Object/ArchiveWriter.h
+// * https://github.com/llvm/llvm-project/blob/3d3ef9d073e1e27ea57480b371b7f5a9f5642ed2/llvm/lib/Object/ArchiveWriter.cpp
 
 use std::collections::HashMap;
 use std::io::{self, Cursor, Seek, Write};