Reviewed by Harrison

    Reviewed by Harrison

        Fix for this bug:

        <rdar://problem/3910425> REGRESSION (Mail): Crash in ReplaceSelectionCommand; selection is empty, leading to null deref

        * khtml/editing/htmlediting.cpp:
        (khtml::MoveSelectionCommand::doApply): The node representing the destination for the move may have
        been deleted. If this is the case, set the destination to the node the delete command provides in
        its ending selection.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@8171 268f45cc-cd09-0410-ab3c-d52691b4dbfc