[gnome-software] details page: Mark "Downloading" as translatable

[Kalev Lember <klember src gnome org>]

commit d58f45a16c927a30e74b1d66992bca8bd91b34af
Author: Kalev Lember <klember redhat com>
Date:   Sat Feb 23 21:58:57 2019 +0100

    details page: Mark "Downloading" as translatable
    
    String change notification:
    https://mail.gnome.org/archives/gnome-i18n/2019-February/msg00048.html

 src/gs-details-page.ui | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/gs-details-page.ui b/src/gs-details-page.ui
index 8273c779..a271063a 100644
--- a/src/gs-details-page.ui
+++ b/src/gs-details-page.ui
@@ -208,7 +208,7 @@
                                     <child>
                                       <object class="GtkLabel" id="label_progress_status">
                                         <property name="visible">True</property>
-                                        <property name="label">Downloading</property>
+                                        <property name="label" translatable="yes">Downloading</property>
                                       </object>
                                     </child>
                                     <child>