make public haveClasspath

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@491044 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/types/CommandlineJava.java

@@ -640,7 +640,7 @@ public class CommandlineJava implements Cloneable {
      * @return true if the classpath is to be used.
      * @since Ant 1.6
      */
-    protected boolean haveClasspath() {
+    public boolean haveClasspath() {
         Path fullClasspath = classpath != null
             ? classpath.concatSystemClasspath("ignore") : null;
         return fullClasspath != null