update for groovy 1.0 beta 7

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@276892 13f79535-47bb-0310-9956-ffa450edef68

docs/manual/install.html

@@ -346,8 +346,8 @@ you need jakarta-oro 2.0.1 or later, and <a href="#commons-net">commons-net</a><
     <td>Groovy with script and scriptdef tasks<br/>
       You need to get the groovy jar and two asm jars from a groovy
       installation. The jars are groovy-[version].jar, asm-[vesion].jar and
-      asm-util-[version].jar. As of groovy version 1.0-beta-6, the jars are
-      groovy-1.0-beta-6.jar, asm-1.4.1.jar and asm-util-1.4.3.jar.
+      asm-util-[version].jar. As of groovy version 1.0-beta-7, the jars are
+      groovy-1.0-beta-7.jar, asm-1.4.3.jar and asm-util-1.4.3.jar.
     </td>
     <td>
       <a href="http://groovy.codehaus.org/">http://groovy.codehaus.org/</a>