Implement MachOObjectFile::getData directly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178997 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Object/MachOObjectFile.cpp b/lib/Object/MachOObjectFile.cpp
index 7bb8c19..7573541 100644
--- a/lib/Object/MachOObjectFile.cpp
+++ b/lib/Object/MachOObjectFile.cpp
@@ -91,7 +91,7 @@
 }
 
 StringRef MachOObjectFile::getData(size_t Offset, size_t Size) const {
-  return MachOObj->getData(Offset, Size);
+  return ObjectFile::getData().substr(Offset, Size);
 }
 
 ObjectFile *ObjectFile::createMachOObjectFile(MemoryBuffer *Buffer) {