add license line, IN:

basis/base64/base64-tests.factor

@@ -1,4 +1,5 @@
 USING: kernel tools.test base64 strings ;
+IN: base64.tests
 
 [ "abcdefghijklmnopqrstuvwxyz" ] [ "abcdefghijklmnopqrstuvwxyz" >base64 base64> >string
 ] unit-test

basis/base64/base64.factor

@@ -1,3 +1,5 @@
+! Copyright (C) 2008 Doug Coleman.
+! See http://factorcode.org/license.txt for BSD license.
 USING: kernel math sequences io.binary splitting grouping ;
 IN: base64