update task list to reflect new package hierarchy

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@270263 13f79535-47bb-0310-9956-ffa450edef68

proposal/myrmidon/src/manifest/core-ant-descriptor.xml

@@ -3,8 +3,9 @@
   <types>
 
     <!-- basic tasks/datatypes/coverters required in most environments -->
-    <task name="log" classname="org.apache.myrmidon.libs.core.Log" />
-    <task name="property" classname="org.apache.myrmidon.libs.core.Property" />
+    <task name="log" classname="org.apache.antlib.core.Log" />
+    <task name="fail" classname="org.apache.antlib.core.Fail" />
+    <task name="property" classname="org.apache.antlib.core.Property" />
 
   </types>