From abc54a0e2ed2304702f4ce0b4071e0125b919168 Mon Sep 17 00:00:00 2001
From: David Capello <davidcapello@gmail.com>
Date: Fri, 16 Apr 2010 09:15:55 -0300
Subject: [PATCH] Fixed bug #2988166 compilation error in unix (EBUSY
 undefined).

---
 third_party/vaca/src/unix/MutexImpl.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/third_party/vaca/src/unix/MutexImpl.h b/third_party/vaca/src/unix/MutexImpl.h
index d3d1b5ff8..3d8ebc075 100644
--- a/third_party/vaca/src/unix/MutexImpl.h
+++ b/third_party/vaca/src/unix/MutexImpl.h
@@ -30,6 +30,7 @@
 // OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include <pthread.h>
+#include <errno.h>
 
 class Vaca::Mutex::MutexImpl
 {