[gthumb] extensions preferences: fixed category translation

[Paolo Bacchilega <paobac src gnome org>]

commit 3fd1ce3781a0287737db03c9166038d7e3d068d1
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Sun Mar 1 17:03:23 2020 +0100

    extensions preferences: fixed category translation

 gthumb/dlg-preferences-extensions.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gthumb/dlg-preferences-extensions.c b/gthumb/dlg-preferences-extensions.c
index cf589c07..bd19c361 100644
--- a/gthumb/dlg-preferences-extensions.c
+++ b/gthumb/dlg-preferences-extensions.c
@@ -635,7 +635,7 @@ extensions__dlg_preferences_construct_cb (GtkWidget  *dialog,
                        cardinality = g_strdup_printf (CARDINALITY_FORMAT, get_category_cardinality (data, 
extension_category[i].id));
                        gtk_list_store_set (GTK_LIST_STORE (GET_WIDGET ("category_liststore")),
                                            &iter,
-                                           CATEGORY_NAME_COLUMN, _(extension_category[i].name),
+                                           CATEGORY_NAME_COLUMN, g_dpgettext2 (NULL, "Extensions", 
extension_category[i].name),
                                            CATEGORY_ID_COLUMN, extension_category[i].id,
                                            /* CATEGORY_ICON_COLUMN, extension_category[i].icon, */
                                            CATEGORY_SEPARATOR_COLUMN, FALSE,