Remove comparison of address with NULL.

third_party/protobuf/src/google/protobuf/descriptor.cc

Index: third_party/protobuf/src/google/protobuf/descriptor.cc
diff --git a/third_party/protobuf/src/google/protobuf/descriptor.cc b/third_party/protobuf/src/google/protobuf/descriptor.cc
index c2bc81a2dd6f87eac01fe2e040ee951869c97710..7c121d9a3fd69e9e9d9d3788ca5413498a42c5a9 100644
--- a/third_party/protobuf/src/google/protobuf/descriptor.cc
+++ b/third_party/protobuf/src/google/protobuf/descriptor.cc
@@ -4021,7 +4021,6 @@ static bool IsLite(const FileDescriptor* file) {
   // TODO(kenton):  I don't even remember how many of these conditions are
   //   actually possible.  I'm just being super-safe.
   return file != NULL &&
-         &file->options() != NULL &&
          &file->options() != &FileOptions::default_instance() &&
          file->options().optimize_for() == FileOptions::LITE_RUNTIME;
 }