[Freeciv-Dev] Missing fog of war shadow in client map (PR#413)

[Christian Knoke <ChrisK@xxxxxxxx>]

Todays game, server was civserver.org:5559 Vers. 1.10.4,
client here was 1.10.4 with one patch by thue as in
<00062123104200.05925@xxxxxxxxxxxxxxxxxxxxxxxxxx>

the decent grey shadow indicating tiles on the map, which are
not visible due to fog of war, was not there.
Is this a client option?? 
The fog itself still worked and I was not able
to see remote enemy troops etc.

Other players clients were 1.10.2 + 1.10.4, they had
no problems.

Chris