[SCM] calf/master: Add missing include required by gcc 4.7 (found by Orcan Ogetbil).

[js at users.alioth.debian.org]

The following commit has been merged in the master branch:
commit 8ea5cc564a7172a63c378816cd00edbe9a1367a3
Author: Krzysztof Foltman <wdev at foltman.com>
Date:   Fri Jan 13 22:03:41 2012 +0000

    Add missing include required by gcc 4.7 (found by Orcan Ogetbil).

diff --git a/src/preset.cpp b/src/preset.cpp
index ef959cc..992f5bc 100644
--- a/src/preset.cpp
+++ b/src/preset.cpp
@@ -24,6 +24,7 @@
 #include <expat.h>
 #include <fcntl.h>
 #include <errno.h>
+#include <unistd.h>
 #include <sys/stat.h>
 
 using namespace std;

-- 
calf audio plugins packaging