[gnome-software] trivial: Fix Installed and Updates buttons alignment

[Kalev Lember <klember src gnome org>]

commit 419db322bce8711a4c3970eb1a9efa2a4f3f5965
Author: Kalev Lember <klember redhat com>
Date:   Fri Sep 28 13:57:21 2018 +0100

    trivial: Fix Installed and Updates buttons alignment
    
    Add back expand flags that accidentally got lost in commit
    1cc857b6e4b9b8774cd7ba3cae7e467cb45c1ca6.

 src/gnome-software.ui | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/src/gnome-software.ui b/src/gnome-software.ui
index 112e2a42..1b94fdd9 100644
--- a/src/gnome-software.ui
+++ b/src/gnome-software.ui
@@ -132,6 +132,7 @@
                                 <property name="visible">True</property>
                                 <property name="use_underline">True</property>
                                 <property name="halign">center</property>
+                                <property name="hexpand">True</property>
                                 <property name="label" translatable="yes" comments="Translators: A label for 
a button to show only software which is already installed.">_Installed</property>
                                 <property name="mnemonic_widget">button_installed</property>
                                 <style>
@@ -173,6 +174,7 @@
                                 <property name="visible">True</property>
                                 <property name="use_underline">True</property>
                                 <property name="halign">center</property>
+                                <property name="hexpand">True</property>
                                 <property name="label" translatable="yes" comments="Translators: A label for 
a button to show only updates which are available to install.">_Updates</property>
                                 <property name="mnemonic_widget">button_updates</property>
                                 <style>