Add support for leaflist

Change-Id: Idcb529f85240a32e84d82934c81fcf0c3451f94e
diff --git a/src/yang_schema.hpp b/src/yang_schema.hpp
index a4c0b90..5b2db04 100644
--- a/src/yang_schema.hpp
+++ b/src/yang_schema.hpp
@@ -70,6 +70,7 @@
     std::shared_ptr<libyang::Module> getYangModule(const std::string& name);
 
 private:
+    template <typename NodeType>
     yang::TypeInfo impl_leafType(const std::shared_ptr<libyang::Schema_Node>& node) const;
     std::set<std::string> modules() const;