tweaks

core/java/src/net/i2p/data/DataHelper.java

@@ -440,8 +440,6 @@ public class DataHelper {
                 String val = (String) entry.getValue();
                 out.println(name + "=" + val);
             }
-            out.flush();
-            out.close();
         } finally {
             if (out != null) out.close();
         }

core/java/src/net/i2p/util/FileUtil.java

@@ -372,7 +372,7 @@ public class FileUtil {
         String rootDirStr = rootDir.getCanonicalPath();
         if (!targetStr.startsWith(rootDirStr)) throw new FileNotFoundException("Requested file is outside the root dir: " + path);
 
-        byte buf[] = new byte[1024];
+        byte buf[] = new byte[4*1024];
         FileInputStream in = null;
         try {
             in = new FileInputStream(target);