[PATCH] Really release IPC resources in info-os.exp

[Joel Brobecker]

> 2012-10-23  Yao Qi  <yao@codesourcery.com>
> 
> 	* gdb.base/info-os.exp: Resume the inferior until it exits.

Regardless of your problem, any change that removes a call to send_gdb
and uses gdb_test instead is a good change in my books. So OK to commit.

IIRC, you don't need the leading ".*", which is implicit, but it might
be clearer the way you have it.

Thanks,
-- 
Joel