File autobuild-warnings.patch of Package libgnomeprint

Index: libgnomeprint/gnome-print-filter.c
===================================================================
--- libgnomeprint/gnome-print-filter.c.orig
+++ libgnomeprint/gnome-print-filter.c
@@ -1150,6 +1150,8 @@ gnome_print_filter_description_rec (Gnom
 	guint i, n, n_props, j;
 	GParamSpec **props;
 
+	t = NULL;
+
 	g_return_val_if_fail (GNOME_IS_PRINT_FILTER (f), NULL);
 
 	n = gnome_print_filter_count_successors (f);