[gthumb] contact sheet: fixed themes list always empty

[Paolo Bacchilega <paobac src gnome org>]

commit b3bd2826409340d06b33d9d90bfc22e0c9f1d5d1
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Sat Apr 17 12:25:43 2021 +0200

    contact sheet: fixed themes list always empty

 extensions/contact_sheet/dlg-contact-sheet.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/extensions/contact_sheet/dlg-contact-sheet.c b/extensions/contact_sheet/dlg-contact-sheet.c
index 877d14c0..8a624e96 100644
--- a/extensions/contact_sheet/dlg-contact-sheet.c
+++ b/extensions/contact_sheet/dlg-contact-sheet.c
@@ -333,7 +333,7 @@ add_themes_from_dir (DialogData *data,
                        continue;
                }
 
-               if (g_strcmp0 (_g_uri_get_extension (g_file_info_get_name (file_info)), ".cst") != 0) {
+               if (g_strcmp0 (_g_path_get_extension (g_file_info_get_name (file_info)), ".cst") != 0) {
                        g_object_unref (file_info);
                        continue;
                }