test-help.t is broken on OSX

[Simon Heimberg]

On 2014-03-01 15:26, Augie Fackler wrote:
> Fix pushed, thanks!
Thanks for fixing.
Now that the inotify extension is deleted in 352abbb0be88, we can remove 
"grep" again (but keep the output).
>
> On Mar 1, 2014, at 5:13 AM, Simon Heimberg <simohe at besonet.ch> wrote:
>
>> broken by
>> =========
>> 7a72c28fdc76: test-help.t: add test for 'hg help extensions' [1]
>>
<snip>