From 5dfd1a24fce7069847ced4644ec49ad2327b53fe Mon Sep 17 00:00:00 2001
From: Artem Pavlenko <artem@mapnik.org>
Date: Thu, 25 Mar 2021 16:03:15 +0000
Subject: [PATCH] Fix potential iterator out of range condition by using
 appropriate function (ref #4218) via @mathisloge

```
template< class InputIt1, class InputIt2, class BinaryPredicate >

bool equal( InputIt1 first1, InputIt1 last1,
            InputIt2 first2, InputIt2 last2,
            BinaryPredicate p );
```
---
 plugins/input/csv/csv_utils.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/input/csv/csv_utils.cpp b/plugins/input/csv/csv_utils.cpp
index edae079a1..dc5eaf6df 100644
--- a/plugins/input/csv/csv_utils.cpp
+++ b/plugins/input/csv/csv_utils.cpp
@@ -233,7 +233,7 @@ struct ignore_case_equal_pred
 bool ignore_case_equal(std::string const& s0, std::string const& s1)
 {
     return std::equal(s0.begin(), s0.end(),
-                      s1.begin(), ignore_case_equal_pred());
+                      s1.begin(), s1.end(), ignore_case_equal_pred());
 }
 
 void csv_file_parser::add_feature(mapnik::value_integer, mapnik::csv_line const & )