Resolves: #i123747# allow treating Window's SEH events as C++ exceptions

The crash reporter facility can provide much better details about crashes.
But if that facility is disabled then handling SEH events such as div-by-zero
as C++ exceptions is a worthwhile alternative. It can provide a few interesting
details and it allows a graceful shutdown of the application.

(cherry picked from commit c9d10b167b37a9cb0bb310cafc8e80b6cce8ea7a)

Conflicts:
	sal/osl/w32/signal.cxx

Change-Id: I25324d6e02ab8acd8fd2b036b77039aac87cf262