[gnome-software] category page: Use the same labels on the sort button as within the list

[Kalev Lember <klember src gnome org>]

commit 2c572fe529b5645028347a578606a3cb06750eb1
Author: Kalev Lember <klember redhat com>
Date:   Tue Feb 20 00:04:55 2018 +0100

    category page: Use the same labels on the sort button as within the list
    
    https://gitlab.gnome.org/GNOME/gnome-software/issues/303

 src/gs-category-page.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)
---
diff --git a/src/gs-category-page.c b/src/gs-category-page.c
index 480e1c6a..1939d487 100644
--- a/src/gs-category-page.c
+++ b/src/gs-category-page.c
@@ -95,14 +95,12 @@ static void
 gs_category_page_sort_by_type (GsCategoryPage *self,
                               SubcategorySortType sort_type)
 {
-       const gchar *button_label;
+       g_autofree gchar *button_label;
 
        if (sort_type == SUBCATEGORY_SORT_TYPE_NAME)
-               /* TRANSLATORS: button text when apps have been sorted alphabetically */
-               button_label = _("Sorted by Name");
+               g_object_get (self->sort_name_button, "text", &button_label, NULL);
        else
-               /* TRANSLATORS: button text when apps have been sorted by their rating */
-               button_label = _("Sorted by Rating");
+               g_object_get (self->sort_rating_button, "text", &button_label, NULL);
 
        gtk_label_set_text (GTK_LABEL (self->subcats_sort_button_label), button_label);