restore credit for the xerces-j team, sorry ...

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@345144 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/util/FileUtils.java

@@ -68,6 +68,8 @@ public class FileUtils {
 
     static final int BUF_SIZE = 8192;
 
+    // stolen from org.apache.xerces.impl.XMLEntityManager#getUserDir()
+    // of the Xerces-J team
     // which ASCII characters need to be escaped
     private static boolean gNeedEscaping[] = new boolean[128];
     // the first hex character if a character needs to be escaped