[osg-submissions] Compile fix with ::free

[Robert Osfield]

Thanks Mathias, fix now merged and submitted to SVN.

On Fri, Jun 20, 2008 at 10:29 AM, Mathias Fröhlich
<M.Froehlich at science-computing.de> wrote:
>
> Robert,
>
> Fixes a compile of src/osgSim/ShapeAttribute.cpp on suse 10.2.
> Please apply.
> Based on rev 8470.
>
> Thanks
>
> Mathias
>
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