Fix MI/async testsuite

[Daniel Jacobowitz]

On Sun, May 04, 2008 at 01:14:30PM -0400, Daniel Jacobowitz wrote:
> Why should we print ^running before we are ready for more input?
> 
> *running, yes, soon as the target starts running.  But ^running is the
> result of the command and should show up when the command is done,
> shouldn't it?

Duh, this is because of sync mode, right?  Anyway, it seems like "gdb
accepts input after -exec-continue" and "gdb uses *running instead of
^running" should have the same condition, to avoid this weird output.

-- 
Daniel Jacobowitz
CodeSourcery