backport of:

From 97d65859bc29ee334012e9c73022d8a8e55ed586 Mon Sep 17 00:00:00 2001
From: Su Laus <sulau@freenet.de>
Date: Sat, 21 Jan 2023 15:58:10 +0000
Subject: [PATCH] tiffcrop: Correct simple copy paste error. Fix #488.

---
 tools/tiffcrop.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/tiffcrop.c b/tools/tiffcrop.c
index 14fa18da..7db69883 100644
--- a/tools/tiffcrop.c
+++ b/tools/tiffcrop.c
@@ -7600,7 +7600,7 @@ processCropSelections(struct image_data
         crop_buff = (unsigned char *)limitMalloc(cropsize + NUM_BUFF_OVERSIZE_BYTES);
       else
         {
-        prev_cropsize = seg_buffs[0].size;
+        prev_cropsize = seg_buffs[i].size;
         if (prev_cropsize < cropsize)
           {
           next_buff = _TIFFrealloc(crop_buff, cropsize + NUM_BUFF_OVERSIZE_BYTES);