in PackageImpl::processPackage_

xComponentContext->getServiceManager()->createInstanceWithContext(
                    "com.sun.star.script.ApplicationScriptLibraryContainer"

does not increment the refcount, so on leaving the method the refcount
is decremented by 1, because on the first enter the refcount happens to
be three, then if the extension has more than 3 items in it the refcount
hits 0 here and falls over

some of fdo#79301, fdo#70607, fdo#66706 might be dups of this

regression from 306efefe I believe

Change-Id: I3da50693fe656b68c5555b641d9b32246c8fc208