[glade] Make four buttons accessible via alt key

[Juan Pablo Ugarte <jpu src gnome org>]

commit 15a67168e12d2402a78b069bfb5135687b600947
Author: Sabri Ünal <libreajans gmail com>
Date:   Tue Jan 7 22:46:19 2020 +0300

    Make four buttons accessible via alt key

 src/glade-registration.glade | 4 ++--
 src/glade.glade              | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/glade-registration.glade b/src/glade-registration.glade
index d3e1dfc1..6583a6ba 100644
--- a/src/glade-registration.glade
+++ b/src/glade-registration.glade
@@ -98,7 +98,7 @@ Author: Juan Pablo Ugarte <juanpablougarte gmail com>
             </child>
             <child>
               <object class="GtkButton" id="cancel_button">
-                <property name="label" translatable="yes">Cancel</property>
+                <property name="label" translatable="yes">_Cancel</property>
                 <property name="visible">True</property>
                 <property name="can_focus">True</property>
                 <property name="receives_default">True</property>
@@ -111,7 +111,7 @@ Author: Juan Pablo Ugarte <juanpablougarte gmail com>
             </child>
             <child>
               <object class="GtkButton" id="submit_button">
-                <property name="label" translatable="yes">Submit</property>
+                <property name="label" translatable="yes">_Submit</property>
                 <property name="visible">True</property>
                 <property name="can_focus">True</property>
                 <property name="receives_default">True</property>
diff --git a/src/glade.glade b/src/glade.glade
index ec1ff5d5..1a7787e5 100644
--- a/src/glade.glade
+++ b/src/glade.glade
@@ -458,7 +458,7 @@ Author: Juan Pablo Ugarte
             <property name="layout_style">expand</property>
             <child>
               <object class="GtkButton">
-                <property name="label" translatable="yes">Open</property>
+                <property name="label" translatable="yes">_Open</property>
                 <property name="name">open-button</property>
                 <property name="visible">True</property>
                 <property name="can_focus">True</property>
@@ -643,7 +643,7 @@ Author: Juan Pablo Ugarte
             <property name="layout_style">expand</property>
             <child>
               <object class="GtkButton">
-                <property name="label" translatable="yes">Save</property>
+                <property name="label" translatable="yes">_Save</property>
                 <property name="name">save-button</property>
                 <property name="visible">True</property>
                 <property name="can_focus">True</property>