[LyX/master] GuiBox.cpp: fix button logic (fixes bug #9543)

[Uwe Stöhr]

commit 4be4d4e1a6d707fe10025e5e4f75e23a8f91edb8
Author: Uwe Stöhr <uwesto...@lyx.org>
Date:   Sun May 10 15:54:03 2015 +0200

    GuiBox.cpp: fix button logic (fixes bug #9543)

diff --git a/src/frontends/qt4/GuiBox.cpp b/src/frontends/qt4/GuiBox.cpp
index 66912e8..60a26cd 100644
--- a/src/frontends/qt4/GuiBox.cpp
+++ b/src/frontends/qt4/GuiBox.cpp
@@ -142,8 +142,9 @@ void GuiBox::on_typeCO_activated(int index)
                        heightCB->setChecked(false);
                setSpecial(ibox);
        }
-       widthCB->setChecked(itype != "none");
        if (type != "Boxed")
+               if (type != "Frameless")
+                       widthCB->setChecked(itype != "none");
                pagebreakCB->setChecked(false);
        changed();
 }