Use link_settings instead of all_dependent_settings to pacify xcode gyp generator

Should unbreak e.g. http://chromegw/i/chromium.webrtc.fyi/builders/Mac%20%5Blatest%20WebRTC%20trunk%5D/builds/2396

R=niklas.enbom@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/2261004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@4796 4adac7df-926f-26a2-2b94-8c16560cd09d
1 file changed