Bug 1503442 - Re-generate FFI header. r=kats

Depends on D10341

Differential Revision: https://phabricator.services.mozilla.com/D10342

--HG--
extra : moz-landing-system : lando

gfx/webrender_bindings/webrender_ffi_generated.h

@@ -2,7 +2,7 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-/* Generated with cbindgen:0.6.6 */
+/* Generated with cbindgen:0.6.7 */
 
 /* DO NOT MODIFY THIS MANUALLY! This file was generated using cbindgen.
  * To generate this file: