Fixed bug when displaying default target with

a description.

Reported by:	Hans Ulrich Neidermann


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@268854 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/Main.java

@@ -575,6 +575,7 @@ public class Main {
 
             int indexOfDefDesc = topNames.indexOf(defaultTarget);
             if (indexOfDefDesc >= 0) {
+                defaultDesc = new Vector();
                 defaultDesc.addElement(topDescriptions.elementAt(indexOfDefDesc));
             }
             printTargets(defaultName, defaultDesc, "Default target:", maxLength);