[patch] Fix open_container for structs and dict_entries

[Havoc Pennington]

On Wed, 2005-02-09 at 19:19 -0500, John (J5) Palmieri wrote:
> 
> The second problem has to do with the fact that the signature is passed
> to the marshaler as a dbus_string.  dbus_strings assert when being
> initialized with a NULL.  Since the API calls for a NULL to be passed
> into open_container when constructing a STRUCT or DICT_ENTRY the
> dbus_string asserts.  I fixed this by initializing the dbus_string to an
> empty string "" since the marshaler ignores this value for DICT_ENTRY
> and STRUCT.  However the marshaler has a comment that it may be used in
> the future so I am sure this is not the right fix and is only a bandaid.
> Any suggestions on the best way to fix this?  The patch is attached.  
> 

You should be able to just pass NULL to the DBusTypeWriter instead of a
DBusString*

Havoc