Bug 1108687 - Fix the MOZ_STACK_CLASS annotation on DecodersToInitialize; r=jyavenard

The attribute syntax should appear after class.

--HG--
extra : rebase_source : 2793470bf5bcd8b701729906987ce9958016b4e7

dom/media/mediasource/TrackBuffer.cpp

@@ -67,7 +67,7 @@ private:
   nsRefPtr<SourceBufferDecoder> mDecoder;
 };
 
-MOZ_STACK_CLASS class DecodersToInitialize MOZ_FINAL {
+class MOZ_STACK_CLASS DecodersToInitialize MOZ_FINAL {
 public:
   explicit DecodersToInitialize(TrackBuffer* aOwner)
     : mOwner(aOwner)