From 1972cf966eec37cf035ce85f7921f10dcd79f74e Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Fri, 29 Jan 2016 18:22:57 +0100
Subject: Another attempt fixing crash at exit on windows.

---
 libs/ardour/lv2_plugin.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libs/ardour/lv2_plugin.cc b/libs/ardour/lv2_plugin.cc
index ef247109bd..507e546adc 100644
--- a/libs/ardour/lv2_plugin.cc
+++ b/libs/ardour/lv2_plugin.cc
@@ -2527,6 +2527,9 @@ LV2World::LV2World()
 
 LV2World::~LV2World()
 {
+	if (!world) {
+		return;
+	}
 #ifdef HAVE_LV2_1_2_0
 	lilv_node_free(bufz_nominalBlockLength);
 	lilv_node_free(bufz_fixedBlockLength);
@@ -2570,6 +2573,7 @@ LV2World::~LV2World()
 	lilv_node_free(atom_Chunk);
 	lilv_node_free(atom_AtomPort);
 	lilv_world_free(world);
+	world = NULL;
 }
 
 void
-- 
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