Opps: misnamed instance

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@276683 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/taskdefs/optional/script/ScriptDef.java

@@ -330,7 +330,7 @@ public class ScriptDef extends DefBase {
         runner.addBean("attributes", attributes);
         runner.addBean("elements", elements);
         runner.addBean("project", getProject());
-        runner.addBean("self", self);
+        runner.addBean("self", instance);
         runner.executeScript("scriptdef_" + name);
     }