From 899e5a82f63da0bc7f541f82ff6ad333daf7145b Mon Sep 17 00:00:00 2001
From: Bogdan Drutu <bdrutu@google.com>
Date: Tue, 12 Jan 2016 15:54:32 -0800
Subject: [PATCH] Add a virtual destructor for the
 ClientContext::GlobalCallbacks.

---
 include/grpc++/client_context.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/grpc++/client_context.h b/include/grpc++/client_context.h
index a0d5c0e3c4..ab1212e706 100644
--- a/include/grpc++/client_context.h
+++ b/include/grpc++/client_context.h
@@ -286,6 +286,7 @@ class ClientContext {
   /// a client context is constructed and destructed.
   class GlobalCallbacks {
    public:
+    virtual GlobalCallbacks() {}
     virtual void DefaultConstructor(ClientContext* context) = 0;
     virtual void Destructor(ClientContext* context) = 0;
   };
-- 
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