fix "info os processes" race -> crash (ext-run.exp racy FAIL)

[Jan Kratochvil]

On Fri, 26 Aug 2011 21:06:20 +0200, Pedro Alves wrote:
> I'm seeing ext-run.exp randomly fail with:
> 
> gdb.sum:
> 
> Running ../../../src/gdb/testsuite/gdb.server/ext-run.exp ...
> FAIL: gdb.server/ext-run.exp: get process list (pattern 1)
> FAIL: gdb.server/ext-run.exp: load new file without any gdbserver inferior
> FAIL: gdb.server/ext-run.exp: monitor exit

Yes, looking at it about daily, thanks.


Jan