From 0ffd1960104b6c80488f0b614e6194259df2abb7 Mon Sep 17 00:00:00 2001
From: David Hummel <6109326+hummeltech@users.noreply.github.com>
Date: Wed, 17 Apr 2024 13:42:47 -0700
Subject: [PATCH] Add missing `#include <string>` to
 `include/mapnik/png_io.hpp`

---
 include/mapnik/png_io.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/mapnik/png_io.hpp b/include/mapnik/png_io.hpp
index 6e5d6195b..b3beaac81 100644
--- a/include/mapnik/png_io.hpp
+++ b/include/mapnik/png_io.hpp
@@ -40,6 +40,7 @@ extern "C" {
 #include <png.h>
 }
 #include <set>
+#include <string>
 MAPNIK_DISABLE_WARNING_POP
 
 #define MAX_OCTREE_LEVELS 4