Fix build.

* UIProcess/API/Cocoa/WKPreferences.h:



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@169322 268f45cc-cd09-0410-ab3c-d52691b4dbfc
Build fix 2.

* UIProcess/API/Cocoa/WKPreferences.h:



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@169323 268f45cc-cd09-0410-ab3c-d52691b4dbfc