From b1539418b3c9ca981e6508e063e98ee20c588497 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Wed, 8 Jun 2016 09:46:58 +0100
Subject: [PATCH] Fixed unused parameter warning.

---
 include/osgVolume/Property | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/osgVolume/Property b/include/osgVolume/Property
index c4d2dfabb..bec70bd4a 100644
--- a/include/osgVolume/Property
+++ b/include/osgVolume/Property
@@ -88,7 +88,7 @@ class OSGVOLUME_EXPORT Property : public osg::Object
         unsigned int getModifiedCount() const { return _modifiedCount; }
 
         virtual void accept(PropertyVisitor& pv) { pv.apply(*this); }
-        virtual void traverse(PropertyVisitor& pv) {}
+        virtual void traverse(PropertyVisitor& /*pv*/) {}
 
     protected: