[gnome-contacts] Mark missing strings in UI files for translation

[Piotr Drąg <piotrdrag src gnome org>]

commit dbd7199e5327740e50d292f80d7ded3ed821d3b1
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sat May 21 18:25:16 2022 +0200

    Mark missing strings in UI files for translation

 data/ui/contacts-main-window.ui  | 2 +-
 data/ui/contacts-setup-window.ui | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/data/ui/contacts-main-window.ui b/data/ui/contacts-main-window.ui
index deab856b..2e20f972 100644
--- a/data/ui/contacts-main-window.ui
+++ b/data/ui/contacts-main-window.ui
@@ -212,7 +212,7 @@
                               <object class="GtkButton" id="back">
                                 <property name="valign">center</property>
                                 <property name="icon-name">go-previous-symbolic</property>
-                                <property name="tooltip_text">Back</property>
+                                <property name="tooltip_text" translatable="yes">Back</property>
                                 <signal name="clicked" handler="on_back_clicked"/>
                               </object>
                             </child>
diff --git a/data/ui/contacts-setup-window.ui b/data/ui/contacts-setup-window.ui
index 61ec893c..40bcf157 100644
--- a/data/ui/contacts-setup-window.ui
+++ b/data/ui/contacts-setup-window.ui
@@ -19,7 +19,7 @@
               <object class="GtkButton" id="setup_quit_button">
                 <property name="label" translatable="yes">_Quit</property>
                 <property name="use-underline">True</property>
-                <property name="tooltip-text">Cancel Setup And Quit</property>
+                <property name="tooltip-text" translatable="yes">Cancel Setup And Quit</property>
                 <property name="action_name">app.quit</property>
               </object>
             </child>