fix bug in SwSpellDialogChildWindow::FindNextDrawTextError_Impl

looks like a regression from
    commit de60fd06
    Date:   Fri Dec 17 09:02:23 2010 +0100
    CWS swlayoutrefactoring: #i115510#: first step to clean up the
SwClient mess

Change-Id: Ifc1d3e3f87b4b0d48fc5f311086bb5404b0aa1fb
Reviewed-on: https://gerrit.libreoffice.org/52614Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

sw/source/uibase/dialog/SwSpellDialogChildWindow.cxx

@@ -739,14 +739,13 @@ bool SwSpellDialogChildWindow::FindNextDrawTextError_Impl(SwWrtShell& rSh)
     if(!m_pSpellState->m_bTextObjectsCollected )
     {
         m_pSpellState->m_bTextObjectsCollected = true;
-        std::list<SdrTextObj*> aTextObjs;
-        SwDrawContact::GetTextObjectsFromFormat( aTextObjs, pDoc );
+        SwDrawContact::GetTextObjectsFromFormat( m_pSpellState->m_aTextObjects, pDoc );
         if(pCurrentTextObj)
         {
             m_pSpellState->m_aTextObjects.remove(pCurrentTextObj);
             m_pSpellState->m_aTextObjects.push_back(pCurrentTextObj);
-                                }
-                            }
+        }
+    }
     if(!m_pSpellState->m_aTextObjects.empty())
     {
         Reference< XSpellChecker1 >  xSpell( GetSpellChecker() );