From 4c4ef84975d4c712a46abf7b914a5df48fa9e9bd Mon Sep 17 00:00:00 2001
From: William S Fulton <wsf@fultondesigns.co.uk>
Date: Fri, 22 Jul 2005 21:50:31 +0000
Subject: [PATCH] null attribute support in out typemap for $null special
 variable

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@7346 626c5289-ae23-0410-ae9c-e8d60b6d4f22
---
 Lib/csharp/csharp.swg | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lib/csharp/csharp.swg b/Lib/csharp/csharp.swg
index 2a1805338..2a31933a8 100644
--- a/Lib/csharp/csharp.swg
+++ b/Lib/csharp/csharp.swg
@@ -126,7 +126,7 @@
 %typemap(in) char * %{ $1 = $input; %}
 %typemap(out) char * %{ $result = SWIG_csharp_string_callback($1); %}
 
-%typemap(out) void ""
+%typemap(out, null="") void ""
 
 /* primitive types by const reference */
 %typemap(in) const bool & (bool temp)