[GTK][CMake] Use a stricter check for the HAVE_GTK_UNIX_PRINTING define
Created attachment 228586 [details] Patch
Thanks for the patch. If this patch contains new public API please make sure it follows the guidelines for new WebKit2 GTK+ API. See http://trac.webkit.org/wiki/WebKitGTK/AddingNewWebKit2API
Comment on attachment 228586 [details] Patch Thanks
Committed r166779: <http://trac.webkit.org/changeset/166779>