Cleanup code identified in code review

src/ripple/app/misc/HashRouter.cpp

@@ -104,7 +104,7 @@ HashRouter::shouldRelay (uint256 const& key)
     if (!s.shouldRelay(suppressionMap_.clock().now(), holdTime_))
         return boost::none;
 
-    return std::move(s.peekPeers());
+    return s.releasePeerSet();
 }
 
 } // ripple

src/ripple/app/misc/HashRouter.h

@@ -86,9 +86,10 @@ private:
             flags_ |= flagsToSet;
         }
 
-        std::set <PeerShortID>& peekPeers()
+        /** Return set of peers we've relayed to and reset tracking */
+        std::set<PeerShortID> releasePeerSet()
         {
-            return peers_;
+            return std::move(peers_);
         }
 
         /** Determines if this item should be relayed.