crash at registration

[Mikael Magnusson]

Philippe Torrelli wrote:
> Hello, 
> 
> Testing minisip register against a openser proxy here  ( this is with v3157)
> 
> At register, if there are no credentials in the configuration file, but the
> registrar asks for an authentication,  minisip simply crashes ... 
> 
> I think it's because getCredential returns NULL in 
> SipDialog::updateAuthentication ... 
> 	challenge->setCredential(
> getDialogConfig()->sipIdentity->getCredential()  );  
>  
> 
> Philippe Torrelli

Fixed in svn,
thanks

Mikael