From 5eb464271eee03b4f434fada5e1594680e7cf7fa Mon Sep 17 00:00:00 2001
From: Kevin Backhouse <kevinbackhouse@github.com>
Date: Fri, 23 Jul 2021 16:55:47 +0100
Subject: [PATCH] Fix format specifier.

---
 src/bmffimage.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/bmffimage.cpp b/src/bmffimage.cpp
index 6c6c472e..3d7c23e9 100644
--- a/src/bmffimage.cpp
+++ b/src/bmffimage.cpp
@@ -212,7 +212,7 @@ namespace Exiv2
         if ( bTrace ) {
             bLF = true;
             out << indent(depth) << "Exiv2::BmffImage::boxHandler: " << toAscii(box_type)
-                << Internal::stringFormat(" %8ld->%u ", address, box_length);
+                << Internal::stringFormat(" %8ld->%lu ", address, box_length);
         }
 
         if (box_length == 1) {