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fix crash on application desctruction
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@24273 a592a061-630c-0410-9148-cb99ea01b6c8
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@ -1352,6 +1352,9 @@ bool TabWorkArea::removeWorkArea(GuiWorkArea * work_area)
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void TabWorkArea::on_currentTabChanged(int i)
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{
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// returns e.g. on application destruction
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if (i == -1)
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return;
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GuiWorkArea * wa = dynamic_cast<GuiWorkArea *>(widget(i));
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LASSERT(wa, /**/);
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BufferView & bv = wa->bufferView();
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