[gnome-calculator] math-window.ui: do not expand mode Label, and add spacing between it and the down-arrow

[Robert Roth <robertroth src gnome org>]

commit c45961dfd7c081a1b0cf2325b71116aa9b573343
Author: djb <db0451 gmail com>
Date:   Sun Sep 25 18:18:42 2016 +0100

    math-window.ui: do not expand mode Label, and add spacing between it and the down-arrow
    
    This fixes the problem of the Label being overly wide, and the immediately
    following problem of it and the arrow now being too close together.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=771946

 data/math-window.ui |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/math-window.ui b/data/math-window.ui
index f74d507..a27c799 100644
--- a/data/math-window.ui
+++ b/data/math-window.ui
@@ -110,12 +110,12 @@
                 <property name="visible">True</property>
                 <property name="can_focus">False</property>
                 <property name="valign">center</property>
+                <property name="column_spacing">6</property>
                 <child>
                   <object class="GtkLabel" id="mode_label">
                     <property name="visible">True</property>
                     <property name="can_focus">False</property>
                     <property name="halign">baseline</property>
-                    <property name="hexpand">True</property>
                   </object>
                   <packing>
                     <property name="left_attach">0</property>