Feed Clang a pragma to ignore -Wc++11-extensions to let it build Skia on Mac.

Tested:
CXX=clang++ ./gyp_skia && ninja -C out/Debug && CXX=G++ ./gyp_skia && ninja -C out/Debug && echo "ok"

Got to ok.

BUG=
R=bungeman@google.com

Author: mtklein@google.com

Review URL: https://chromiumcodereview.appspot.com/14365009

git-svn-id: http://skia.googlecode.com/svn/trunk@8799 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed