* Added Dano-compatible BParameterWeb::StartWatching()/StopWatching() method

stubs.
* However, without a working Dano at hand, I can't really implement something
  compatible, so I'll postpone this to some later point.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@30030 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/os/media/ParameterWeb.h

@@ -91,6 +91,11 @@ public:
 			int32				CountParameters();
 			BParameter*			ParameterAt(int32 index);
 
+			status_t			StartWatching(const BMessenger& target,
+									int32 notificationType);
+			status_t			StopWatching(const BMessenger& target,
+									int32 notificationType);
+
 	// BFlattenable implementation
 	virtual	bool				IsFixedSize() const;
 	virtual type_code			TypeCode() const;

src/kits/media/ParameterWeb.cpp

@@ -419,6 +419,20 @@ BParameterWeb::ParameterAt(int32 index)
 }
 
 
+status_t
+BParameterWeb::StartWatching(const BMessenger& target, int32 notificationType)
+{
+	return B_ERROR;
+}
+
+
+status_t
+BParameterWeb::StopWatching(const BMessenger& target, int32 notificationType)
+{
+	return B_ERROR;
+}
+
+
 bool
 BParameterWeb::IsFixedSize() const
 {