tdf#128502: Fix (haha) for a crash with multiple docs open in the iOS app

Just a band-aid to avoid a crash. The LibreOfficeKit-related code
would need a thorough re-factoring to properly be prepared for
multiple open documents.

Change-Id: I8c31e2badd747f3086526f89638fa495f4dcf295
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/97205
Tested-by: Jenkins CollaboraOffice <jenkinscollaboraoffice@gmail.com>
Reviewed-by: Tor Lillqvist <tml@collabora.com>
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/97409
Tested-by: Jenkins
diff --git a/sfx2/source/view/lokhelper.cxx b/sfx2/source/view/lokhelper.cxx
index d8f36c2..80d029f 100644
--- a/sfx2/source/view/lokhelper.cxx
+++ b/sfx2/source/view/lokhelper.cxx
@@ -430,7 +430,10 @@
    SfxViewShell* pViewShell = SfxViewShell::GetFirst();
    while (pViewShell)
    {
        if (pViewShell->GetDocId() == pCurrentViewShell-> GetDocId())
        // FIXME: What if SfxViewShell::Current() returned null?
        // Should we then do this for all views of all open documents
        // or not?
        if (pCurrentViewShell == nullptr || pViewShell->GetDocId() == pCurrentViewShell-> GetDocId())
            SfxLokHelper::notifyDocumentSizeChanged(pViewShell, "", pDoc, bInvalidateAll);
        pViewShell = SfxViewShell::GetNext(*pViewShell);
    }