Description: <short summary of the patch>
 TODO: Put a short summary on the line above and replace this paragraph
 with a longer explanation of this change. Complete the meta-information
 with other relevant fields (see below for details). To make it easier, the
 information below has been extracted from the changelog. Adjust it or drop
 it.
 .
 png23d (1.10-1.1) unstable; urgency=low
 .
   * Non-maintainer upload.
Author: Nobuhiro Iwamatsu <iwamatsu@debian.org>

---
The information above should follow the Patch Tagging Guidelines, please
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Origin: <vendor|upstream|other>, <url of original patch>
Bug: <url in upstream bugtracker>
Bug-Debian: http://bugs.debian.org/<bugnumber>
Bug-Ubuntu: https://launchpad.net/bugs/<bugnumber>
Forwarded: <no|not-needed|url proving that it has been forwarded>
Reviewed-By: <name and email of someone who approved the patch>
Last-Update: <YYYY-MM-DD>

--- png23d-1.10.orig/bitmap.c
+++ png23d-1.10/bitmap.c
@@ -15,6 +15,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
+#include <unistd.h>
 
 #include <png.h>
 
