From c089743f49073140fb73dd2ebe6785e82f758120 Mon Sep 17 00:00:00 2001
From: Vijay Pai <vpai@google.com>
Date: Mon, 27 Jul 2015 22:18:13 +0000
Subject: [PATCH] Remove explicit reference to nullptr since this isn't within
 grpc namespace and not supported by older compilers. Not sure why I didn't
 catch this earlier.

---
 src/compiler/python_generator.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/compiler/python_generator.cc b/src/compiler/python_generator.cc
index 724b69c703f..2982a89fad1 100644
--- a/src/compiler/python_generator.cc
+++ b/src/compiler/python_generator.cc
@@ -249,7 +249,7 @@ bool GetModuleAndMessagePath(const Descriptor* type,
   do {
     message_path.push_back(path_elem_type);
     path_elem_type = path_elem_type->containing_type();
-  } while (path_elem_type != nullptr);
+  } while (path_elem_type); // implicit nullptr comparison; don't be explicit
   grpc::string file_name = type->file()->name();
   static const int proto_suffix_length = strlen(".proto");
   if (!(file_name.size() > static_cast<size_t>(proto_suffix_length) &&