From 53ab1921217b9963b45cf64979054780028cac86 Mon Sep 17 00:00:00 2001
From: Kunal Tyagi <tyagi.kunal@live.com>
Date: Tue, 11 Feb 2020 07:43:10 +0900
Subject: [PATCH] Adding template (#1685)

---
 .../message_filters/include/message_filters/synchronizer.h      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/utilities/message_filters/include/message_filters/synchronizer.h b/utilities/message_filters/include/message_filters/synchronizer.h
index 7891890ebf..1c14a6f23c 100644
--- a/utilities/message_filters/include/message_filters/synchronizer.h
+++ b/utilities/message_filters/include/message_filters/synchronizer.h
@@ -355,7 +355,7 @@ class Synchronizer : public boost::noncopyable, public Policy
   template<int i>
   void cb(const typename mpl::at_c<Events, i>::type& evt)
   {
-    this->add<i>(evt);
+    this->template add<i>(evt);
   }
 
   uint32_t queue_size_;