--- src/lib/mfb/mfbgnc.c.orig	2011-07-24 22:09:03.000000000 +0000
+++ src/lib/mfb/mfbgnc.c	2011-07-24 22:12:08.000000000 +0000
@@ -100,6 +100,7 @@
  * all other characters are ``self-inserting''.
  */
 
+void
 MFBGenCode(PM)
     char *PM;
     {