Bump WKBundlePageLoaderClient version number so as not to break some clients
https://bugs.webkit.org/show_bug.cgi?id=116426

Reviewed by Anders Carlsson.

* Shared/APIClientTraits.cpp:
(WebKit):
* Shared/APIClientTraits.h:
* WebProcess/InjectedBundle/API/c/WKBundlePage.h:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@150369 268f45cc-cd09-0410-ab3c-d52691b4dbfc