@@ -, +, @@ 
  Mentioned in the documentation that applications must #include "zlib.h"
    if they need access to anything in zlib.h.
---
--- fbgrab.c.orig	2002-04-15 20:22:54.000000000 +0000
+++ fbgrab.c.orig	2011-03-24 07:57:12.587955762 +0000
@@ -20,6 +20,7 @@ 
 #include <fcntl.h>
 #include <sys/ioctl.h>
 
+#include <zlib.h>
 #include <getopt.h>
 #include <sys/vt.h>   /* to handle vt changing */
 #include <png.h>      /* PNG lib */