From 46d22d5fa705042dd2910614e49c6dcae90a15fd Mon Sep 17 00:00:00 2001
From: yang-g <yangg@google.com>
Date: Mon, 8 Feb 2016 12:27:10 -0800
Subject: [PATCH] add missing base class

---
 include/grpc++/security/credentials.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/grpc++/security/credentials.h b/include/grpc++/security/credentials.h
index 4d64b5e2273..e0806c0b7b4 100644
--- a/include/grpc++/security/credentials.h
+++ b/include/grpc++/security/credentials.h
@@ -83,7 +83,7 @@ class ChannelCredentials : private GrpcLibrary {
 /// authenticate with a server for a given call on a channel.
 ///
 /// \see http://www.grpc.io/docs/guides/auth.html
-class CallCredentials {
+class CallCredentials : private GrpcLibrary {
  public:
   CallCredentials();
   ~CallCredentials();