Bug 1018995 - Make some forward class declarations match their definitions r=jandem

js/src/NamespaceImports.h

@@ -32,12 +32,12 @@ class AutoValueVector;
 
 class AutoIdArray;
 
-class AutoGCRooter;
+class JS_PUBLIC_API(AutoGCRooter);
 template <typename T> class AutoVectorRooter;
 template<typename K, typename V> class AutoHashMapRooter;
 template<typename T> class AutoHashSetRooter;
 
-class SourceBufferHolder;
+class MOZ_STACK_CLASS SourceBufferHolder;
 
 class HandleValueArray;