Update loclass license conditions, https://github.com/Proxmark/proxmark3/issues/527

client/loclass/cipherutils.c

@@ -22,7 +22,7 @@
  *
  * This is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation.
+ * by the Free Software Foundation, or, at your option, any later version. 
  *
  * This file is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -33,7 +33,6 @@
  * along with loclass.  If not, see <http://www.gnu.org/licenses/>.
  * 
  * 
- * 
  ****************************************************************************/
 
 #include <stdint.h>
@@ -280,6 +279,7 @@ int testReversedBitstream()
 	return 0;
 }
 
+
 int testCipherUtils(void)
 {
 	prnlog("[+] Testing some internals...");