Issue 5604 - Make sure to put EMSCRIPTEN_BINDINGS after the type consistently

compiled/subscription/DownloadableSubscription.h

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 34 matching lines @@
       GetLastSuccess, SetLastSuccess);
   SUBSCRIPTION_PROPERTY(int, mErrorCount, SUBSCRIPTION_ERRORS,
       GetErrorCount, SetErrorCount);
   SUBSCRIPTION_PROPERTY(uint64_t, mDataRevision, NONE,
       GetDataRevision, SetDataRevision);
   SUBSCRIPTION_STRING_PROPERTY(mRequiredVersion, NONE,
       GetRequiredVersion, SetRequiredVersion);
   SUBSCRIPTION_PROPERTY(int, mDownloadCount, NONE,
       GetDownloadCount, SetDownloadCount);
 
-  BINDINGS_EXPORTED OwnedString Serialize() const;
+  OwnedString BINDINGS_EXPORTED Serialize() const;
 };
 
 template<>
 inline DownloadableSubscription* Subscription::As<DownloadableSubscription>()
 {
   if (mType != Type::DOWNLOADABLE)
     return nullptr;
 
   return static_cast<DownloadableSubscription*>(this);
 }