Fixed suffix determination for message pluralization.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@5359 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/as/com/threerings/util/MessageBundle.as

@@ -219,13 +219,17 @@ public class MessageBundle
      */
     protected function getSuffix (args :Array) :String
     {
-        if (args.length > 0) {
+        if (args.length > 0 && args[0] != null) {
-            var count :int = int(args[0]);
+            try {
-            switch (args[0]) {
+                var count :int = (args[0] is int) ? int(args[0]) :
-                case NaN: break; // Fall out
+                    StringUtil.parseInteger(String(args[0]));
-                case 0: return ".0";
+                switch (count) {
-                case 1: return ".1";
+                    case 0: return ".0";
-                default: return ".n";
+                    case 1: return ".1";
+                    default: return ".n";
+                }
+            } catch (err :ArgumentError) {
+                // fall out
             }
         }
         return "";