Typo in changes.xml.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/io/trunk@1742678 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

src/changes/changes.xml

@@ -71,7 +71,7 @@ The <action> type attribute can be add,update,fix,remove.
         Typo: In an IOUtils.java comment it says "focussed" instead of "focused".
       </action>
       <action issue="IO-433" dev="krosenvold" type="update">
-        Converted all testcases to JUnit 4
+        Converted all test cases to JUnit 4
       </action>
       <action issue="IO-487" dev="bdelacretaz" type="add">
         Add ValidatingObjectInputStream for controlled deserialization