From 8c7555f4a80270bfa9270a9d70fb359128e7a9d9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fl=C3=B6ssie?= <floessie.mail@gmail.com>
Date: Thu, 14 Feb 2019 21:28:49 +0100
Subject: [PATCH] Fix experimental C++17 build (fixes #5175)

---
 rtgui/previewloader.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rtgui/previewloader.cc b/rtgui/previewloader.cc
index f4cfe2b1b..34b42dcb7 100644
--- a/rtgui/previewloader.cc
+++ b/rtgui/previewloader.cc
@@ -59,7 +59,7 @@ public:
         };
     */
     struct JobCompare {
-        bool operator()(const Job& lhs, const Job& rhs)
+        bool operator()(const Job& lhs, const Job& rhs) const
         {
             if ( lhs.dir_id_ == rhs.dir_id_ ) {
                 return lhs.dir_entry_ < rhs.dir_entry_;