attempt to fix read only status of Sequence.cpp.
attempt to fix read only status of Sequence.cpp.


marchelbling/osg,jtorresfabra/osg,scrawl/osg,openscenegraph/osg,tomasthoresen/osg,artoolkit/osg,tomasthoresen/osg,marchelbling/osg,marchelbling/osg,artoolkit/osg,jtorresfabra/osg,tomasthoresen/osg,scrawl/osg,marchelbling/osg,jtorresfabra/osg,scrawl/osg,tomasthoresen/osg,openscenegraph/osg,scrawl/osg,artoolkit/osg,jtorresfabra/osg,openscenegraph/osg,artoolkit/osg,openscenegraph/osg