Fix tensorflow master build failure with verbs

This fix tries to address the issue in 21999 where
tensorflow master build failed with verbs. The issue was caused
by StringPiece replaced with `absl::string_view`

This fix fixes 21999

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/tensorflow/contrib/verbs/rdma_rendezvous_mgr.cc b/tensorflow/contrib/verbs/rdma_rendezvous_mgr.cc
index ad3dce1784..d4951b156c 100644
--- a/tensorflow/contrib/verbs/rdma_rendezvous_mgr.cc
+++ b/tensorflow/contrib/verbs/rdma_rendezvous_mgr.cc
@@ -63,7 +63,7 @@ void RdmaRemoteRendezvous::RecvFromRemoteAsync(
   }
   CHECK(dst_name.compare(rdma_mgr_->local_worker()) == 0);
   RdmaChannel* rc = rdma_mgr_->FindChannel(src_name);
-  string key(std::move(parsed.FullKey().ToString()));
+  string key(parsed.FullKey());
   string key_with_step_id = VerbsUtil::AppendStepidToKey(key, step_id_);
 
   Device* dst_dev;