r108206 broke it, an include of CString.h is missing in AudioBusGtk.
I'll also take advantage of this to fix a little warning in WebKitWebAudioSourceGStreamer.cpp :)
Created attachment 127977 [details]
Comment on attachment 127977 [details]
Clearing flags on attachment: 127977
Committed r108367: <http://trac.webkit.org/changeset/108367>
All reviewed patches have been landed. Closing bug.