[Tilesathome] close-areas.pl repaired

[Frederik Ramm]

Hi,

   I have found a bug in close-areas.pl (not so much a bug, more like
a major gaping hole) that caused most coastline rendering to break if
you had any offshore islands on the same tile.

I have fixed that now, and removed 0.4 support from the script to make
it leaner.

Bye
Frederik
  
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Frederik Ramm  ##  eMail frederik at remote.org  ##  N49°00.09' E008°23.33'