Revert "Correctly pass ownership of MemoryBuffers."

llvm-svn: 178918
diff --git a/lld/lib/ReaderWriter/Reader.cpp b/lld/lib/ReaderWriter/Reader.cpp
index 7da1f31..9f08ed2 100644
--- a/lld/lib/ReaderWriter/Reader.cpp
+++ b/lld/lib/ReaderWriter/Reader.cpp
@@ -24,6 +24,7 @@
   if (error_code ec = llvm::MemoryBuffer::getFileOrSTDIN(path, opmb))
     return ec;
 
-  return parseFile(std::unique_ptr<MemoryBuffer>(opmb.take()), result);
+  std::unique_ptr<MemoryBuffer> mb(opmb.take());
+  return this->parseFile(mb, result);
 }
 } // end namespace lld