From 2841504fa009aad2dd57c9c5f80a85e569f38155 Mon Sep 17 00:00:00 2001
From: John Cupitt <jcupitt@gmail.com>
Date: Sat, 3 Aug 2019 21:14:19 +0100
Subject: [PATCH] fix a possible int overflow

---
 libvips/resample/shrinkv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libvips/resample/shrinkv.c b/libvips/resample/shrinkv.c
index 97ef418d..cc4da1ef 100644
--- a/libvips/resample/shrinkv.c
+++ b/libvips/resample/shrinkv.c
@@ -243,7 +243,7 @@ vips_shrinkv_write_line( VipsShrinkv *shrink, VipsShrinkvSequence *seq,
 	case VIPS_FORMAT_SHORT: 	
 		IAVG( short, int ); break; 
 	case VIPS_FORMAT_UINT: 	
-		IAVG( unsigned int, int ); break; 
+		IAVG( unsigned int, guint64 ); break; 
 	case VIPS_FORMAT_INT: 	
 		IAVG( int, gint64 );  break; 
 	case VIPS_FORMAT_FLOAT: