[LyX/2.3.x] Make GUI string translatable

[Juergen Spitzmueller]

commit 47adfa661eefcae9329951c3c53544f185ab5305
Author: Juergen Spitzmueller <sp...@lyx.org>
Date:   Sat Jan 27 10:57:33 2018 +0100

    Make GUI string translatable
    
    Part of #10999
    
    (cherry picked from commit 26755a015e1fbeccd96848ea873c5c4dc6de0aa8)
---
 src/frontends/qt4/GuiBox.cpp |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/frontends/qt4/GuiBox.cpp b/src/frontends/qt4/GuiBox.cpp
index 3d1010b..6a991b5 100644
--- a/src/frontends/qt4/GuiBox.cpp
+++ b/src/frontends/qt4/GuiBox.cpp
@@ -340,7 +340,7 @@ void GuiBox::paramsToDialog(Inset const * inset)
        // add the entry "Stretch" if the box is \makebox or \framebox and if 
not already there
        if ((inner_type == "makebox" || (type == "Boxed" && inner_type == 
"none"))
                && halignCO->count() < 4)
-               halignCO->addItem(toqstr("Stretch"));
+               halignCO->addItem(qt_("Stretch"));
        else if (inner_type != "makebox" && (type != "Boxed" && inner_type != 
"none"))
                halignCO->removeItem(3);
        // pagebreak is only allowed for Boxed without inner box
@@ -555,7 +555,7 @@ bool GuiBox::checkWidgets(bool readonly) const
                // add the entry "Stretch" if the box is \makebox or \framebox 
and if not already there
                if ((itype == "makebox" || (outer == "Boxed" && itype == 
"none"))
                        && halignCO->count() < 4)
-                       halignCO->addItem(toqstr("Stretch"));
+                       halignCO->addItem(qt_("Stretch"));
                else if (itype != "makebox" && (outer != "Boxed" && itype != 
"none"))
                        halignCO->removeItem(3);
                // pagebreak is only allowed for Boxed without inner box