Remove two uses of getObject.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178985 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Object/MachOObjectFile.cpp

@@ -41,6 +41,9 @@ MachOObjectFile::MachOObjectFile(MemoryBuffer *Object, MachOObject *MOO,
   }
 }
 
+bool MachOObjectFile::is64Bit() const {
+  return MachOObj->is64Bit();
+}
 
 ObjectFile *ObjectFile::createMachOObjectFile(MemoryBuffer *Buffer) {
   error_code ec;