Remember OffsetInArchive in LazyObjectFile.

LazyObjectFile might turn out to be a BitcodeFile, so we need
OffsetInArchive.

llvm-svn: 302242
diff --git a/lld/ELF/InputFiles.cpp b/lld/ELF/InputFiles.cpp
index 35bddb7..5f94fc9 100644
--- a/lld/ELF/InputFiles.cpp
+++ b/lld/ELF/InputFiles.cpp
@@ -981,7 +981,7 @@
   MemoryBufferRef MBRef = getBuffer();
   if (MBRef.getBuffer().empty())
     return nullptr;
-  return createObjectFile(MBRef, ArchiveName);
+  return createObjectFile(MBRef, ArchiveName, OffsetInArchive);
 }
 
 template <class ELFT> void LazyObjectFile::parse() {