fix evaluating object as array

src/pregmod/basenationalitiesControls.tw

@@ -120,7 +120,7 @@ Filter by Region:
 			<</link>>@@ @@.zeroButton;<<link '0'>>
 				<<run setup.baseNationalities.filter(function(n) {
 						var races = setup.raceSelector[n] || setup.raceSelector[''];
-						return races['" + _race.toLowerCase() + "'] * 2 > hashSum(races.length); }).forEach(function(n) { delete $nationalities[n]; })>>
+						return races['" + _race.toLowerCase() + "'] * 2 > hashSum(races); }).forEach(function(n) { delete $nationalities[n]; })>>
 				<<replace '#PopControl'>><<include 'Basenationalities Controls'>><</replace>>
 			<</link>>@@</div>">>
 		<</if>>