From e352b6c33142c531e12dfe87cc25e5f1510731de Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Fri, 14 Sep 2012 00:47:31 +0300
Subject: [PATCH] Avoid invoking callbacks of a deleted object

---
 source/io/zlibcompressed.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/source/io/zlibcompressed.h b/source/io/zlibcompressed.h
index feb21c6..fa7a153 100644
--- a/source/io/zlibcompressed.h
+++ b/source/io/zlibcompressed.h
@@ -3,6 +3,7 @@
 
 #include <stdexcept>
 #include <string>
+#include <sigc++/trackable.h>
 #include "base.h"
 
 namespace Msp {
@@ -27,7 +28,7 @@ operates on top of another I/O object.
 To ensure proper termination of the compressed data stream, the ZlibCompressed
 object must be destroyed before the underlying object is closed.
 */
-class ZlibCompressed: public Base
+class ZlibCompressed: public Base, public sigc::trackable
 {
 private:
 	struct Private;
-- 
2.43.0