--- tcp_wrappers_7.6.old/fix_options.c
+++ tcp_wrappers_7.6/fix_options.c
@@ -29,7 +29,7 @@
 
 /* fix_options - get rid of IP-level socket options */
 
-fix_options(request)
+void fix_options(request)
 struct request_info *request;
 {
 #ifdef IP_OPTIONS