Always build in C++11 mode.

Change-Id: Ia25c738f63aee1b70e61f841ff52a151446ac220
Refs: #1930
diff --git a/src/encoding/tlv.hpp b/src/encoding/tlv.hpp
index 0fb4704..d74323b 100644
--- a/src/encoding/tlv.hpp
+++ b/src/encoding/tlv.hpp
@@ -25,6 +25,7 @@
 #include <stdexcept>
 #include <iostream>
 #include <iterator>
+#include <limits>
 
 #include "buffer.hpp"
 #include "endian.hpp"