--- warewulf-2.6.3/src/busybox/archival/gzip.c	2005-12-22 23:23:30.000000000 +0100
+++ warewulf-2.6.3.n/src/busybox/archival/gzip.c	2007-08-13 19:06:02.000000000 +0200
@@ -1617,10 +1617,9 @@
 static void pqdownheap(ct_data * tree, int k);
 static void gen_bitlen(tree_desc * desc);
 static void gen_codes(ct_data * tree, int max_code);
-static int build_bl_tree(void);
 static void scan_tree(ct_data * tree, int max_code);
 static void send_tree(ct_data * tree, int max_code);
-static int build_bl_tree(void);
+static const int build_bl_tree(void);
 static void send_all_trees(int lcodes, int dcodes, int blcodes);
 static void compress_block(ct_data * ltree, ct_data * dtree);
 static void set_file_type(void);