VOM: favour make_shared

Change-Id: I0c5e198049d510f3b3f9a6aefe49c315449768e3
Signed-off-by: Neale Ranns <neale.ranns@cisco.com>
diff --git a/src/vpp-api/vom/tap_interface.cpp b/src/vpp-api/vom/tap_interface.cpp
index 8314b40..4f88d3b 100644
--- a/src/vpp-api/vom/tap_interface.cpp
+++ b/src/vpp-api/vom/tap_interface.cpp
@@ -101,8 +101,8 @@
   /*
    * dump VPP current states
    */
-  std::shared_ptr<tap_interface_cmds::dump_cmd> cmd(
-    new tap_interface_cmds::dump_cmd());
+  std::shared_ptr<tap_interface_cmds::dump_cmd> cmd =
+    std::make_shared<tap_interface_cmds::dump_cmd>();
 
   HW::enqueue(cmd);
   HW::write();