--- uudeview-0.5.20.old/inews/inews.c
+++ uudeview-0.5.20/inews/inews.c
@@ -181,7 +181,7 @@
  * The rn-style DOTDIR environmental variable is used if present.
  */
 
-append_signature()
+void append_signature()
 {
 	char	line[256], sigfile[256];
 	char	*cp;