Added a wrapper method to instantiate_object(), where we catch any

possible exception thrown from the constructor called by the function 
itself, for safety. 


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21750 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/os/interface/Shelf.h

@@ -99,6 +99,8 @@ class BShelf : public BHandler {
 		status_t			_AddReplicant(BMessage* data,
 								BPoint* location, uint32 uniqueID);
 		status_t			_GetProperty(BMessage* message, BMessage* reply);
+		
+		static BArchivable*		_InstantiateObject(BMessage *archive, image_id *image);
 
 	private:
 		BView*				fContainerView;