From 44f27b23d0209d2ee9f508c43def5636564bb302 Mon Sep 17 00:00:00 2001
From: ThorstenB <brehmt@gmail.com>
Date: Sat, 19 Mar 2011 14:50:18 +0100
Subject: [PATCH] Avoid some memory leaks in derived classes due to non-virtual
 destructors.

---
 simgear/scene/material/EffectElement.hxx | 2 +-
 simgear/sound/sample_group.hxx           | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/simgear/scene/material/EffectElement.hxx b/simgear/scene/material/EffectElement.hxx
index 3a7fdd4d..20d2da8c 100644
--- a/simgear/scene/material/EffectElement.hxx
+++ b/simgear/scene/material/EffectElement.hxx
@@ -22,7 +22,7 @@ namespace simgear
 class EffectElement
 {
 protected:
-    ~EffectElement() {}
+    virtual ~EffectElement() {}
 };
 }
 #endif
diff --git a/simgear/sound/sample_group.hxx b/simgear/sound/sample_group.hxx
index 59d42b32..ccf1e85d 100644
--- a/simgear/sound/sample_group.hxx
+++ b/simgear/sound/sample_group.hxx
@@ -85,7 +85,7 @@ public:
     /**
      * Destructor
      */
-    ~SGSampleGroup ();
+    virtual ~SGSampleGroup ();
 
     /**
      * Set the status of this sample group to active.
-- 
2.39.5