Use make_unique where appropriate

Change-Id: I30c9f0fb2033a810df73a1c9147fcf09d610f763
Refs: #3093
diff --git a/daemon/table/cs.cpp b/daemon/table/cs.cpp
index 9ea3d8b..674d333 100644
--- a/daemon/table/cs.cpp
+++ b/daemon/table/cs.cpp
@@ -47,7 +47,7 @@
 unique_ptr<Policy>
 makeDefaultPolicy()
 {
-  return unique_ptr<Policy>(new PriorityFifoPolicy());
+  return make_unique<PriorityFifoPolicy>();
 }
 
 Cs::Cs(size_t nMaxPackets, unique_ptr<Policy> policy)