Remove two uses of getObject.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178985 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Object/MachOObjectFile.cpp b/lib/Object/MachOObjectFile.cpp
index 9482769..8667723 100644
--- a/lib/Object/MachOObjectFile.cpp
+++ b/lib/Object/MachOObjectFile.cpp
@@ -41,6 +41,9 @@
   }
 }
 
+bool MachOObjectFile::is64Bit() const {
+  return MachOObj->is64Bit();
+}
 
 ObjectFile *ObjectFile::createMachOObjectFile(MemoryBuffer *Buffer) {
   error_code ec;