Call direcltly project ( all other tasks do this )

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git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@273714 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/taskdefs/Concat.java

@@ -468,8 +468,7 @@ public class Concat extends Task {
         String text = textBuffer.toString();
 
         // Replace ${property} strings.
-        text = ProjectHelper.replaceProperties(getProject(), text,
-                                               getProject().getProperties());
+        text = getProject().replaceProperties(text);
 
         // Set up a writer if necessary.
         FileWriter writer = null;