ewk_private.h defines internal functions used by WebKit itself. There is no chance to be used by C application. So, extern "C" keyword is unneeded in ewk_private.h.
Created attachment 122384 [details] Patch
Comment on attachment 122384 [details] Patch Looks legit.
Comment on attachment 122384 [details] Patch Clearing flags on attachment: 122384 Committed r104937: <http://trac.webkit.org/changeset/104937>
All reviewed patches have been landed. Closing bug.