fix the link

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@484842 13f79535-47bb-0310-9956-ffa450edef68

docs/manual/OptionalTasks/script.html

@@ -29,7 +29,7 @@
   <p>Execute a script in a
     <a href="http://jakarta.apache.org/bsf" target="_top">Apache BSF</a>
     or
-    <a href="https//scripting.dev.java.net">JSR 233</a>  supported language.
+    <a href="https://scripting.dev.java.net">JSR 233</a>  supported language.
   </p>
   <p><b>Note:</b>
     This task depends on external libraries not included in the Ant distribution.