backwards compatibility

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@810061 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/types/resources/AbstractClasspathResource.java

@@ -177,7 +177,7 @@ public abstract class AbstractClasspathResource extends Resource {
         }
         if (cl == null) {
             if (getClasspath() != null) {
-                Path p = getClasspath().concatSystemClasspath();
+                Path p = getClasspath().concatSystemClasspath("ignore");
                 if (parentFirst) {
                     cl = getProject().createClassLoader(p);
                 } else {