Apply latest patch from Antoine

PR:	15707


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@274005 13f79535-47bb-0310-9956-ffa450edef68

src/testcases/org/apache/tools/ant/taskdefs/optional/perforce/build2.xml

@@ -40,7 +40,7 @@
 doing a  change ${change} on  client ${p4.client}
 </echo>
     <p4edit change="${change}" view="${depot_file_spec}"/>
-    <echo file="${depot_file_spec}">
+    <echo file="${client_root}/depot/foobar">
 hello ${p4.client} ${change}
 </echo>
   </target>