Correction to last change.  Restore orignal handler if one has been installed by an initialisation function.
Correction to last change.  Restore orignal handler if one has been installed by an initialisation function.


git-svn-id: 98787b36aaefbae4b30fa755be920954cd25e1e4@410 ae7d391e-3f74-4a2b-a0db-a8776840fd2a

polyml/polyml,mn200/polyml,dcjm/polyml,polyml/polyml,mn200/polyml,dcjm/polyml,dcjm/polyml,dcjm/polyml,polyml/polyml,mn200/polyml,mn200/polyml,polyml/polyml