Speclling would be a great skill ... or so they tell me.

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@272161 13f79535-47bb-0310-9956-ffa450edef68

build.xml

@@ -612,7 +612,7 @@
       <manifest>
         <section name="${optional.package}">
           <attribute name="Extension-name"
-                     value="org.apache.tools.ant.taskdesfs.optional" />
+                     value="org.apache.tools.ant.taskdefs.optional" />
           <attribute name="Specification-Title"
                      value="Apache Ant Optional Tasks" />
           <attribute name="Specification-Version"