Fixed a bughouse/crazyhouse ep issue where the ep square was'nt getting rolled back properly on a drop move.
Fixed a bughouse/crazyhouse ep issue where the ep square was'nt getting rolled back properly on a drop move.

raptor-chess-interface/raptor-chess-interface,evilwan/raptor-chess-interface,raptor-chess-interface/raptor-chess-interface,raptor-chess-interface/raptor-chess-interface,NightSwimming/Raptor-Chess,raptor-chess/raptor-chess-interface,raptor-chess/raptor-chess-interface,NightSwimming/Raptor-Chess,evilwan/raptor-chess-interface,raptor-chess-interface/raptor-chess-interface,evilwan/raptor-chess-interface,NightSwimming/Raptor-Chess,raptor-chess/raptor-chess-interface,evilwan/raptor-chess-interface,NightSwimming/Raptor-Chess,raptor-chess/raptor-chess-interface