[CM] s7 listener response

[parisnight at softhome.net]

Bill Schottstaedt writes: 

> Are you using Gtk or Motif?  Could you send whatever 
> 
> ./snd --version 
> 
> prints?  By "no response", you mean that nothing happens in the
> text widget -- no new prompt, no cursor movement?    
> 
> 

I just recompiled --with-gtk and now the s7 listener is working as expected. 
I am able to enter expressions now and have the interpreter respond back 
when I push the enter key.  I'll get scheming now with the gtk version.
Bob