diff -ur zziplib-0.13.58.orig/zzip/plugin.c zziplib-0.13.58/zzip/plugin.c
--- zziplib-0.13.58.orig/zzip/plugin.c	2009-08-23 13:38:22.000000000 +0200
+++ zziplib-0.13.58/zzip/plugin.c	2010-01-30 18:42:31.000000000 +0100
@@ -58,7 +58,7 @@
  * wrapping the posix io file functions for actual file access.
  */
 zzip_plugin_io_t
-zzip_get_default_io()
+zzip_get_default_io(void)
 {
     return (zzip_plugin_io_t) & default_io;
 }
