Removed the osg:: from the front of the Group::computeBound() method to keep

things compiling under Windows.

src/osgPlugins/txp/TerrapageNode.cpp

@@ -171,7 +171,7 @@ bool TerrapageNode::computeBound() const
     }
     else
     {
-        return osg::Group::computeBound();
+        return Group::computeBound();
     }
 }