From 66e3c81fe7579c613f7156839801bcb22746f534 Mon Sep 17 00:00:00 2001
From: Lovell Fuller <github@lovell.info>
Date: Sun, 13 Sep 2020 19:53:19 +0100
Subject: [PATCH] Ensure VImage::set uses class to determine type

Prevents null GType and associated segfault
---
 cplusplus/VImage.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cplusplus/VImage.cpp b/cplusplus/VImage.cpp
index 205326d2..5ba78c54 100644
--- a/cplusplus/VImage.cpp
+++ b/cplusplus/VImage.cpp
@@ -193,7 +193,7 @@ VOption::set( const char *name, const VObject value )
 {
 	Pair *pair = new Pair( name );
 	VipsObject *object = value.get_object();
-	GType type = G_VALUE_TYPE( object );
+	GType type = G_VALUE_TYPE( VIPS_OBJECT_GET_CLASS( object ) );
 
 	pair->input = true;
 	g_value_init( &pair->value, type );