From d78f87702da231c0aec2b93fff8a9a05bb2168b3 Mon Sep 17 00:00:00 2001
From: John Cupitt <jcupitt@gmail.com>
Date: Fri, 29 Jul 2016 15:09:53 +0100
Subject: [PATCH] missing unref in cpp binding

operation was not unreffed if build failed
---
 cplusplus/VImage.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cplusplus/VImage.cpp b/cplusplus/VImage.cpp
index 30899e6c..c8dbdd69 100644
--- a/cplusplus/VImage.cpp
+++ b/cplusplus/VImage.cpp
@@ -489,6 +489,7 @@ VImage::call_option_string( const char *operation_name,
 	 */
 	if( vips_cache_operation_buildp( &operation ) ) {
 		vips_object_unref_outputs( VIPS_OBJECT( operation ) );
+		g_object_unref( operation ); 
 		delete options; 
 		throw( VError() ); 
 	}