Using original MB values when sizing city terraform.

src/engine/Enum.java

@@ -2416,8 +2416,7 @@ public class Enum {
 
 	public enum CityBoundsType {
 
-		GRID(448),
+		GRID(640),
-		TERRAFORM(544),
 		ZONE(672),
 		SIEGE(814);
 

src/engine/objects/Zone.java

@@ -359,8 +359,8 @@ public class Zone extends AbstractGameObject {
 
 		if (zone.playerCityID > 0) {
 			writer.put((byte) 1); // Player City - True
-			writer.putFloat(Enum.CityBoundsType.TERRAFORM.extents);
+			writer.putFloat(Enum.CityBoundsType.ZONE.extents);
-			writer.putFloat(Enum.CityBoundsType.TERRAFORM.extents);
+			writer.putFloat(Enum.CityBoundsType.ZONE.extents);
 		} else
 			writer.put((byte) 0); // Player City - False