From: Dirk Lemstra <dirk@lemstra.org>
Date: Fri, 5 Oct 2018 21:18:31 +0000 (+0200)
Subject: Corrected cast.
X-Git-Tag: 7.0.8-13~55
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=d6e731336feecc1935aa595e6f74d1fe0b8bfa55;p=imagemagick

Corrected cast.
---

diff --git a/coders/png.c b/coders/png.c
index ec61508b3..31b934d11 100644
--- a/coders/png.c
+++ b/coders/png.c
@@ -2450,8 +2450,8 @@ static Image *ReadOnePNGImage(MngInfo *mng_info,
 #if (PNG_LIBPNG_VER >= 10401)
     option=GetImageOption(image_info,"png:chunk-malloc-max");
     if (option != (const char *) NULL)
-      png_set_chunk_malloc_max(ping,(png_alloc_size_t) MagickMin((ssize_t)
-        PNG_SIZE_MAX,StringToLong(option)));
+      png_set_chunk_malloc_max(ping,(png_alloc_size_t) MagickMin(PNG_SIZE_MAX,
+        (size_t) StringToLong(option)));
     else
       png_set_chunk_malloc_max(ping,(png_alloc_size_t) GetMaxMemoryRequest());
 #endif