From 54d019cdd6e6aa5a7bd3c8775bb4cde1782d3e68 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <carl@carlh.net>
Date: Sat, 7 Aug 2010 23:29:22 +0000
Subject: [PATCH] Possibly-useful assert.

git-svn-id: svn://localhost/ardour2/branches/3.0@7558 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 libs/pbd/sndfile_manager.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libs/pbd/sndfile_manager.cc b/libs/pbd/sndfile_manager.cc
index c6a52416ed..5f08e634d6 100644
--- a/libs/pbd/sndfile_manager.cc
+++ b/libs/pbd/sndfile_manager.cc
@@ -69,6 +69,7 @@ SndFileDescriptor::close ()
 {
 	/* we must have a lock on the FileManager's mutex */
 
+	assert (_sndfile);
 	sf_close (_sndfile);
 	_sndfile = 0;
 }