From 11b7d2edbf9c4a3b6dd1d7037d82aeb661a450fe Mon Sep 17 00:00:00 2001
From: Paul Beckingham <paul@beckingham.net>
Date: Mon, 1 Feb 2016 18:42:25 -0500
Subject: [PATCH] Column: Uses const loop iterators

---
 src/columns/Column.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/columns/Column.cpp b/src/columns/Column.cpp
index c4572708f..54dec14e0 100644
--- a/src/columns/Column.cpp
+++ b/src/columns/Column.cpp
@@ -151,7 +151,7 @@ void Column::uda (std::map <std::string, Column*>& all)
   // For each UDA, instantiate and initialize ColumnUDA().
   std::set <std::string> udas;
 
-  for (auto& i : context.config)
+  for (const auto& i : context.config)
   {
     if (i.first.substr (0, 4) == "uda.")
     {
@@ -162,7 +162,7 @@ void Column::uda (std::map <std::string, Column*>& all)
     }
   }
 
-  for (auto& uda : udas)
+  for (const auto& uda : udas)
   {
     if (all.find (uda) != all.end ())
       throw format (STRING_UDA_COLLISION, uda);