From a46c5b3f84cab750ed3202198da05e6061e08029 Mon Sep 17 00:00:00 2001
From: Dirk Lemstra <dirk@git.imagemagick.org>
Date: Sun, 11 Mar 2018 10:41:12 +0100
Subject: [PATCH] Fixed incorrect blob referencing.

---
 coders/mat.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/coders/mat.c b/coders/mat.c
index 7a8f1e5bc..f75300cd1 100644
--- a/coders/mat.c
+++ b/coders/mat.c
@@ -787,15 +787,11 @@ static Image *ReadMATImageV4(const ImageInfo *image_info,Image *image,
     rotated_image=RotateImage(image,90.0,exception);
     if (rotated_image != (Image *) NULL)
       {
-        void
-          *blob;
-        
         rotated_image->page.x=0;
         rotated_image->page.y=0;
-        blob = rotated_image->blob;
-        rotated_image->blob = image->blob;
         rotated_image->colors = image->colors;
-        image->blob = (BlobInfo *) blob;
+        DestroyBlob(rotated_image);
+        rotated_image->blob=ReferenceBlob(image->blob);
         AppendImageToList(&image,rotated_image);
         DeleteImageFromList(&image);
       }
-- 
2.40.0