Fix illegal drops
authorH.G.Muller <hgm@hgm-xboard.(none)>
Wed, 18 Feb 2015 21:47:30 +0000 (22:47 +0100)
committerH.G.Muller <hgm@hgm-xboard.(none)>
Thu, 7 May 2015 18:53:32 +0000 (20:53 +0200)
commitabc22463364ee2865728feb89bced464a5ce6139
treedf53e17801f3e5d7c9db89afe83439a3809267c8
parentf9f3643ce3447c431ee266ff241cad393872d416
Fix illegal drops

Even white was dropping black pieces on those!
backend.c