flip backwards arraycopy args

apps/i2ptunnel/java/src/net/i2p/i2ptunnel/socks/SOCKSUDPUnwrapper.java

@@ -50,7 +50,7 @@ public class SOCKSUDPUnwrapper implements Source, Sink {
 
         int headerlen = h.getBytes().length;
         byte unwrapped[] = new byte[data.length - headerlen];
-        System.arraycopy(unwrapped, 0, data, headerlen, unwrapped.length);
+        System.arraycopy(data, headerlen, unwrapped, 0, unwrapped.length);
         this.sink.send(dest, unwrapped);
     }
     

apps/i2ptunnel/java/src/net/i2p/i2ptunnel/socks/SOCKSUDPWrapper.java

@@ -39,8 +39,8 @@ public class SOCKSUDPWrapper implements Source, Sink {
 
         byte[] header = h.getBytes();
         byte wrapped[] = new byte[header.length + data.length];
-        System.arraycopy(wrapped, 0, header, 0, header.length);
-        System.arraycopy(wrapped, header.length, data, 0, data.length);
+        System.arraycopy(header, 0, wrapped, 0, header.length);
+        System.arraycopy(data, 0, wrapped, header.length, data.length);
         this.sink.send(from, wrapped);
     }