--- postfix-2.11.0.orig/src/posttls-finger/posttls-finger.c	2013-12-16 17:06:33.000000000 +0100
+++ postfix-2.11.0/src/posttls-finger/posttls-finger.c	2014-03-25 08:58:04.000000000 +0100
@@ -290,6 +290,7 @@
   */
 #include <sys_defs.h>
 #include <stdarg.h>
+#include <stdio.h>
 #include <string.h>
 #include <ctype.h>
 #include <stdlib.h>
