Fixed Coverity reported issue.
Fixed Coverity reported issue.

CID 11825: Uninitialized scalar field (UNINIT_CTOR)
Non-static class member _primitiveIndex is not initialized in this constructor nor in any functions that it calls.
Non-static class member _ratio is not initialized in this constructor nor in any functions that it calls.

CID 11824: Uninitialized scalar field (UNINIT_CTOR)
Non-static class member _hit is not initialized in this constructor nor in any functions that it calls.
Non-static class member _index is not initialized in this constructor nor in any functions that it calls.
Non-static class member _length is not initialized in this constructor nor in any functions that it calls.
Non-static class member _ratio is not initialized in this constructor nor in any functions that it calls.



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