Stop io/ftwtest deleting its own output

[Carlos O'Donell]

On 02/12/2014 01:40 PM, Joseph S. Myers wrote:
> If you rerun "make check" in a tree where some tests have already been
> run, it will rerun io/ftwtest-sh because that test uses ftwtest.out,
> the same name to which output is redirected, as its internal temporary
> file, and then removes it on exit.
> 
> Clearly tests should not be removing the files to which their output
> is redirected like that.  This patch changes the script to use a
> different file as its internal temporary file, so the actual output
> referenced in the makefile isn't removed.
> 
> Tested x86_64.
> 
> 2014-02-12  Joseph Myers  <joseph@codesourcery.com>
> 
> 	* io/ftwtest-sh (testout): Change to $tmp/ftwtest-tmp.out.

Obviously correct. Should have [COMITTED] in the subject :-)

Cheers,
Carlos.