From c52b43713d5d6c9cde388e383d55a7e99068f45e Mon Sep 17 00:00:00 2001
From: orbitcowboy <orbitcowboy@web.de>
Date: Wed, 22 Dec 2021 13:09:02 +0100
Subject: [PATCH] Make use of cbegin()/cend()

---
 gnuplot_i.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gnuplot_i.hpp b/gnuplot_i.hpp
index abd1de2..3e17c67 100644
--- a/gnuplot_i.hpp
+++ b/gnuplot_i.hpp
@@ -1743,8 +1743,8 @@ bool Gnuplot::get_program_path(void)
 #endif
 
     // scan list for Gnuplot program files
-    for (std::list<std::string>::const_iterator i = ls.begin();
-            i != ls.end(); ++i)
+    for (std::list<std::string>::const_iterator i = ls.cbegin();
+            i != ls.cend(); ++i)
     {
         tmp = (*i) + "/" + Gnuplot::m_sGNUPlotFileName;
 #if defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__TOS_WIN__)