Fix crash when apply Preferences. This was introduced in r36625. Just one check too...

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@36641 a592a061-630c-0410-9148-cb99ea01b6c8

diff --git a/src/frontends/qt4/Menus.cpp b/src/frontends/qt4/Menus.cpp
index 4019e5b8cc790b5e32e6ac1f3486bd37f92022aa..a6033b1c20ed84e9ad1efa6d71567d4cfc079e13 100644 (file)
--- a/src/frontends/qt4/Menus.cpp
+++ b/src/frontends/qt4/Menus.cpp
@@ -902,6 +902,8 @@ void MenuDefinition::expandDocuments()
 
        int i = 0;
        while (true) {
+               if (!guiApp->currentView())
+                       break;
                GuiWorkArea * wa = guiApp->currentView()->workArea(i);
                if (!wa)
                        break;