[Object] Make createMachOObjectFile return Expected<...> rather than
ErrorOr<...>.

llvm-svn: 264473
diff --git a/llvm/lib/Object/MachOUniversal.cpp b/llvm/lib/Object/MachOUniversal.cpp
index a1c83b9..df25f74 100644
--- a/llvm/lib/Object/MachOUniversal.cpp
+++ b/llvm/lib/Object/MachOUniversal.cpp
@@ -76,7 +76,7 @@
   StringRef ObjectData = ParentData.substr(Header.offset, Header.size);
   StringRef ObjectName = Parent->getFileName();
   MemoryBufferRef ObjBuffer(ObjectData, ObjectName);
-  return ObjectFile::createMachOObjectFile(ObjBuffer);
+  return expectedToErrorOr(ObjectFile::createMachOObjectFile(ObjBuffer));
 }
 
 ErrorOr<std::unique_ptr<Archive>>