Correctly pass ownership of MemoryBuffers.

llvm-svn: 178914
diff --git a/lld/lib/ReaderWriter/ReaderLinkerScript.cpp b/lld/lib/ReaderWriter/ReaderLinkerScript.cpp
index 646f97e..12f81c9 100644
--- a/lld/lib/ReaderWriter/ReaderLinkerScript.cpp
+++ b/lld/lib/ReaderWriter/ReaderLinkerScript.cpp
@@ -79,9 +79,9 @@
 } // end anon namespace
 
 namespace lld {
-error_code
-ReaderLinkerScript::parseFile(std::unique_ptr<llvm::MemoryBuffer> &mb,
-                            std::vector<std::unique_ptr<File> > &result) const {
+error_code ReaderLinkerScript::parseFile(
+    std::unique_ptr<llvm::MemoryBuffer> mb,
+    std::vector<std::unique_ptr<File>> &result) const {
   auto lsf = LinkerScriptFile::create(_targetInfo, std::move(mb));
   if (!lsf)
     return lsf;