model: fix of a small syntactic error with templates (not all compilers complain)
diff --git a/model/fw/per-out-face-limits.h b/model/fw/per-out-face-limits.h
index 8182d9a..08e892b 100644
--- a/model/fw/per-out-face-limits.h
+++ b/model/fw/per-out-face-limits.h
@@ -122,10 +122,10 @@
     .template SetParent <super> ()
     .template AddConstructor <PerOutFaceLimits> ()
 
-    .template AddAttribute ("Limit", "Limit type to be used (e.g., ns3::ndn::Limits::Window or ns3::ndn::Limits::Rate)",
-                            StringValue ("ns3::ndn::Limits::Window"),
-                            MakeStringAccessor (&PerOutFaceLimits<Parent>::m_limitType),
-                            MakeStringChecker ())    
+    .AddAttribute ("Limit", "Limit type to be used (e.g., ns3::ndn::Limits::Window or ns3::ndn::Limits::Rate)",
+                   StringValue ("ns3::ndn::Limits::Window"),
+                   MakeStringAccessor (&PerOutFaceLimits<Parent>::m_limitType),
+                   MakeStringChecker ())    
     ;
   return tid;
 }