Resolves: tdf#125866 null-deref

Change-Id: I0bd597498d10130928de5d7865219fe6f4bc8bcd
Reviewed-on: https://gerrit.libreoffice.org/73880
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>
diff --git a/editeng/source/editeng/impedit.cxx b/editeng/source/editeng/impedit.cxx
index 551a83b..0fa84e2 100644
--- a/editeng/source/editeng/impedit.cxx
+++ b/editeng/source/editeng/impedit.cxx
@@ -1142,6 +1142,9 @@ Pair ImpEditView::Scroll( long ndX, long ndY, ScrollRangeCheck nRangeCheck )
    if ( !ndX && !ndY )
        return Pair( 0, 0 );

    if (!pOutWin)
        return Pair( 0, 0 );

#ifdef DBG_UTIL
    tools::Rectangle aR( aOutArea );
    aR = pOutWin->LogicToPixel( aR );