CCBC-1056: Temp workaround for H_collections_get_cid segfault due to NULL ext field in response
CCBC-1056: Temp workaround for H_collections_get_cid segfault due to NULL ext field in response

Change-Id: I15cc631c1aec4470a04609c0cc936f58bc7b80bb
Reviewed-on: http://review.couchbase.org/111300
Tested-by: Build Bot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Tested-by: Ellis Breen <9d8041ac7ead8d3e1f3217c04c7ed5e3098c2381@couchbase.com>
Reviewed-by: Sergey Avseyev <87f6d5e4fd3644c3c20800cde7fd3ad1569370b3@gmail.com>

avsej/libcouchbase,kojiromike/libcouchbase,couchbase/libcouchbase,couchbase/libcouchbase,kojiromike/libcouchbase,couchbase/libcouchbase,avsej/libcouchbase,couchbase/libcouchbase,kojiromike/libcouchbase,avsej/libcouchbase,couchbase/libcouchbase,couchbase/libcouchbase,avsej/libcouchbase,avsej/libcouchbase,kojiromike/libcouchbase,couchbase/libcouchbase,avsej/libcouchbase,avsej/libcouchbase