only offer the 'default' device if devices were actually found,  otherwise 'default' will show up on computers without soundcards which  is weird.
only offer the 'default' device if devices were actually found, 
otherwise 'default' will show up on computers without soundcards which 
is weird.


git-svn-id: 2cc691a92423afb73d43abf86552d58822d2fb7e@307 ac7a513c-5e3a-0410-af42-968c3ac6e7dc

psi-im/psimedia,psi-im/psimedia