listitemmanager: Quiet a compiler warning

diff --git a/gtk/gtklistitemmanager.c b/gtk/gtklistitemmanager.c
index 7ca0664c4291f29ed512928f5215fc128f0d65ae..6a150edf54b954b72b1d7216f6925966907a9ba1 100644 (file)
--- a/gtk/gtklistitemmanager.c
+++ b/gtk/gtklistitemmanager.c
@@ -1137,7 +1137,7 @@ gtk_list_item_manager_release_items (GtkListItemManager *self,
       if (i == 0)
         {
           header = gtk_list_tile_get_previous_skip (tile);
-          if (!gtk_list_tile_is_header (header))
+          if (header && !gtk_list_tile_is_header (header))
             header = NULL;
         }
       else