enable seperate debug info testing with stabs

[Pedro Alves]

 >2007-12-09  Pedro Alves  <pedro_alves@portugalmail.pt>
 >
 >	* lib/gdb.exp (gdb_gnu_strip_debug): Remove debug format test.

Daniel Jacobowitz wrote:
> 
> The patch is OK.
> 

Thanks, checked in.

-- 
Pedro Alves