Do not create animals to same tile with player units or start city.

See bug #21376


git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@23907 a0f10bec-cc02-0410-94fc-a9cfff90b4cd
Fixed compilation errors on 32bit systems.

Reported by Jordi Negrevernis i Font <jorneg>

See bug #21370


git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@23908 a0f10bec-cc02-0410-94fc-a9cfff90b4cd