Change count back to forEach

Can not nest count loops inside other count loops:
https://community.bistudio.com/wiki/Code_Optimisation#forEach_vs_count

SQF/dayz_code/compile/player_spawnCheck.sqf

@@ -150,4 +150,4 @@ if (_nearbyCount < 1) exitwith
 			};
 		};
 	};
-} count _nearby;
+} forEach _nearby;