[LyX/master] Fix crash

[Juergen Spitzmueller]

commit 683734520986b3950fc1ea743518d3094ac0193c
Author: Juergen Spitzmueller <sp...@lyx.org>
Date:   Thu Feb 6 13:07:00 2014 +0100

    Fix crash

diff --git a/src/frontends/qt4/Menus.cpp b/src/frontends/qt4/Menus.cpp
index 6816986..cc07afc 100644
--- a/src/frontends/qt4/Menus.cpp
+++ b/src/frontends/qt4/Menus.cpp
@@ -1666,7 +1666,7 @@ void 
MenuDefinition::expandEnvironmentSeparators(BufferView const * bv)
        if (!bv)
                return;
 
-       pit_type pit = bv->cursor().pit();
+       pit_type pit = bv->cursor().selBegin().pit();
        Paragraph const & par = bv->buffer().text().getPar(pit);
        docstring const curlayout = par.layout().name();
        docstring outerlayout;