capitalize "Ant".

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@480275 13f79535-47bb-0310-9956-ffa450edef68

docs/manual/CoreTypes/selectors.html

@@ -379,7 +379,7 @@
         <td valign="top">ignoreContents</td>
         <td valign="top">Whether to do a byte per byte compare.
           Default is false (contents are compared).
-          Since ant 1.6.3
+          Since Ant 1.6.3
         </td>
         <td valign="top" align="center">No</td>
       </tr>