Rolling new version of Opus.gyp

The new version enables optimizations on iOS.

BUG=
R=henrik.lundin@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/13469004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6060 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/DEPS b/DEPS
index 1573742..6a4ad6b 100644
--- a/DEPS
+++ b/DEPS
@@ -102,7 +102,7 @@
     (Var("googlecode_url") % "libyuv") + "/trunk@1000",
 
   "third_party/opus":
-    Var("chromium_trunk") + "/src/third_party/opus@262302",
+    Var("chromium_trunk") + "/src/third_party/opus@266564",
 
   "third_party/opus/src":
     Var("chromium_trunk") + "/deps/third_party/opus@256783",