DeleteTest.test9 failures in Ant-Build-Matrix caused by spaces in workspace path.

(<files includes="${dir}/**"/> is parsed as multiple items.)

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@1297130 13f79535-47bb-0310-9956-ffa450edef68

src/etc/testcases/taskdefs/delete.xml

@@ -25,7 +25,7 @@
     <attribute name="target" default="${dir}"/>
     <sequential>
       <fileset id="detritus" dir="@{target}" erroronmissingdir="false"/>
-      <fail message="${toString:detritus}">
+      <fail message="@{target} still has: ${toString:detritus}">
         <condition>
           <available file="@{target}" />
         </condition>
@@ -116,7 +116,9 @@
 
   <target name="test9" depends="init">
     <delete>
-      <files includes="${dir}/**" />
+      <files>
+          <include name="${dir}/**"/>
+      </files>
     </delete>
     <expectabsent />
   </target>