PYCBC-588: Fix Centos compile
PYCBC-588: Fix Centos compile

Change-Id: I7b12f940a6588c659bb0e9ca6a89e262c2690b45
Reviewed-on: http://review.couchbase.org/110511
Tested-by: Ellis Breen <9d8041ac7ead8d3e1f3217c04c7ed5e3098c2381@couchbase.com>
Tested-by: Build Bot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Sergey Avseyev <87f6d5e4fd3644c3c20800cde7fd3ad1569370b3@gmail.com>

couchbase/couchbase-python-client,couchbase/couchbase-python-client