delete sender if failed to addBinlogSender

src/pika_server.cc

@@ -674,6 +674,7 @@ Status PikaServer::AddBinlogSender(SlaveItem &slave, uint32_t filenum, uint64_t
 
     return Status::OK();
   } else {
+    delete sender;
     LOG(WARNING) << "AddBinlogSender failed";
     return Status::NotFound("AddBinlogSender bad sender");
   }