[Mesa-stable] Please pick commit 82e0bbd01abfb207 to 12.0

[Andreas Boll]

Fixes the build with llvm-3.9.
Fixes https://bugs.freedesktop.org/show_bug.cgi?id=97542

commit 82e0bbd01abfb2073519941d9893fa6ac05fb58c
Author: Vedran Miletić <vedran at miletic.net>
Date:   Tue Jun 21 01:17:49 2016 +0200

    clover: Fix build against clang SVN >= r273191

    setLangDefaults() now requires PreprocessorOptions as an argument.

    Reviewed-and-Tested-by: Michel Dänzer <michel.daenzer at amd.com>