add missing header file

git-svn-id: file:///home/lennart/svn/public/avahi/trunk@1439 941a03a8-eaeb-0310-b9a0-b1bbd8fe43fe

diff --git a/docs/socket-auto-port.c b/docs/socket-auto-port.c
index 850759a..75dffaf 100644 (file)
--- a/docs/socket-auto-port.c
+++ b/docs/socket-auto-port.c
@@ -5,6 +5,7 @@
 #include <inttypes.h>
 #include <errno.h>
 #include <stdio.h>
+#include <unistd.h>
 
 int main(int argc, char *argv[]) {
     int s;