CMake: Adjust for visibility settings
CMake: Adjust for visibility settings

Change-Id: I0726fbaad73e809fdb0a07a6535d9f8397f66002
Reviewed-on: http://review.couchbase.org/41657
Tested-by: Mark Nunberg <e7d42768707bf23038325b0b68d4b577e5f6064a@haskalah.org>
Reviewed-by: Sergey Avseyev <87f6d5e4fd3644c3c20800cde7fd3ad1569370b3@gmail.com>

signmotion/libcouchbase,avsej/libcouchbase,avsej/libcouchbase,couchbase/libcouchbase,PureSwift/libcouchbase,PureSwift/libcouchbase,mnunberg/libcouchbase,mody/libcouchbase,signmotion/libcouchbase,signmotion/libcouchbase,maxim-ky/libcouchbase,kojiromike/libcouchbase,signmotion/libcouchbase,avsej/libcouchbase,couchbase/libcouchbase,mody/libcouchbase,avsej/libcouchbase,senthilkumaranb/libcouchbase,senthilkumaranb/libcouchbase,maxim-ky/libcouchbase,PureSwift/libcouchbase,couchbase/libcouchbase,senthilkumaranb/libcouchbase,kojiromike/libcouchbase,kojiromike/libcouchbase,couchbase/libcouchbase,mnunberg/libcouchbase,avsej/libcouchbase,couchbase/libcouchbase,maxim-ky/libcouchbase,couchbase/libcouchbase,PureSwift/libcouchbase,maxim-ky/libcouchbase,mnunberg/libcouchbase,avsej/libcouchbase,mody/libcouchbase,kojiromike/libcouchbase,mnunberg/libcouchbase,senthilkumaranb/libcouchbase,mody/libcouchbase,mnunberg/libcouchbase,avsej/libcouchbase,couchbase/libcouchbase