From 1fe8d5ba7f31787e8b7c9921dd9be320aab8b13b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Luis=20D=C3=ADaz=20M=C3=A1s?= <piponazo@gmail.com>
Date: Sat, 11 Nov 2017 17:35:56 +0100
Subject: [PATCH] Fix conversion issue detected by MSVC

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

diff --git a/src/bigtiffimage.cpp b/src/bigtiffimage.cpp
index 4b5e3239..0d1c7b22 100644
--- a/src/bigtiffimage.cpp
+++ b/src/bigtiffimage.cpp
@@ -244,7 +244,7 @@ namespace Exiv2
                                 throw Error(57);
                             }
 
-                            DataBuf buf(allocate);
+                            DataBuf buf(static_cast<long>(allocate));
 
                             const uint64_t offset = header_.format() == Header::StandardTiff?
                                     byteSwap4(data, 0, doSwap_):