Fix possible ClassCastExceptions due to use of ZipEntry rather than JarEntry

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@273885 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/loader/AntClassLoader2.java

@@ -66,7 +66,7 @@ import java.util.jar.Attributes;
 import java.util.jar.Attributes.Name;
 import java.net.URL;
 import java.net.MalformedURLException;
-import java.util.zip.ZipEntry;
+import java.util.jar.JarEntry;
 import java.util.StringTokenizer;
 import org.apache.tools.ant.util.FileUtils;
 
@@ -277,7 +277,7 @@ public class AntClassLoader2 extends AntClassLoader {
         try {
             jarFile = new JarFile(pathComponent);
             manifestStream 
-                = jarFile.getInputStream(new ZipEntry("META-INF/MANIFEST.MF"));
+                = jarFile.getInputStream(new JarEntry("META-INF/MANIFEST.MF"));
 
             if (manifestStream == null) {
                 return;