crashtesting: failure on export of ooo40197-1.sxc to xlsx

Change-Id: I8e3122045fbf22d4ec0b6960d6268bb5f429f600
Reviewed-on: https://gerrit.libreoffice.org/71042
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

sc/source/core/data/dociter.cxx

@@ -1122,7 +1122,8 @@ bool ScQueryCellIterator::GetThis()
         {
             do
             {
-                if ( ++nCol > mpParam->nCol2 )
+                ++nCol;
+                if (nCol > mpParam->nCol2 || nCol >= pDoc->maTabs[nTab]->GetAllocatedColumnsCount())
                     return false; // Over and out
                 if ( bAdvanceQuery )
                 {