fix StealQueue bug: DEBUG mode memset for workshare reply was copying from updated bottom instead of original bottom
fix StealQueue bug: DEBUG mode memset for workshare reply was copying from updated bottom
instead of original bottom

buaasun/grappa,uwsampa/grappa,uwsampa/grappa,alexfrolov/grappa,alexfrolov/grappa,alexfrolov/grappa,uwsampa/grappa,uwsampa/grappa,alexfrolov/grappa,buaasun/grappa,buaasun/grappa,buaasun/grappa,buaasun/grappa,buaasun/grappa,buaasun/grappa,uwsampa/grappa,uwsampa/grappa,alexfrolov/grappa,uwsampa/grappa,alexfrolov/grappa,alexfrolov/grappa