Blame zookeeper-3.4.5-zktreeutil-gcc.patch

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--- src/contrib/zktreeutil/src/ZkAdaptor.h	2012-09-30 19:53:32.000000000 +0200
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+++ src/contrib/zktreeutil/src/ZkAdaptor.h-gil	2013-04-04 03:37:46.731950855 +0200
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@@ -21,6 +21,7 @@
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 #include <string>
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 #include <vector>
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+#include <unistd.h>
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 extern "C" {
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 #include "zookeeper.h"