[Tilesathome] Leisure rendered black @ level 12

[Michael Ritzert]

Ed Loach wrote:
>> I have zoomed in on a few of them and checked the data layer.
>> What is common
>> is that all black spots are to represent an area tagged as
>> leisure. Some
>> are playground, some pitch, some park.
> 
> Perhaps someone can check and apply the attached?

Tested locally. Seems to work.
I do have an SVN account to commit it.

Michael