use a different character for test, one that is still enclosing mark in 6.0

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1150091 13f79535-47bb-0310-9956-ffa450edef68

modules/analysis/common/src/test/org/apache/lucene/analysis/miscellaneous/TestWordDelimiterFilter.java

@@ -155,7 +155,7 @@ public class TestWordDelimiterFilter extends BaseTokenStreamTestCase {
     doSplit("ســـــــــــــــــلام", "ســـــــــــــــــلام");
     
     // enclosing mark, don't split
-    doSplit("۞test", "۞test");
+    doSplit("test⃝", "test⃝");
     
     // combining spacing mark (the virama), don't split
     doSplit("हिन्दी", "हिन्दी");