Merge pull request #5128 from yang-g/inherit_from_grpc_library

Add missing base class

1 files changed, 1 insertions, 1 deletions

diff --git a/include/grpc++/security/credentials.h b/include/grpc++/security/credentials.h
index 4d64b5e227..e0806c0b7b 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();