base64.h: Add Copyright and Doxygen header.

diff --git a/base64.h b/base64.h
index 4bfaa99..ea62d98 100644 (file)
--- a/base64.h
+++ b/base64.h
@@ -1,3 +1,7 @@
+/* Copyright (C) 2016 Andre Noll <maan@tuebingen.mpg.de>, see file COPYING. */
+
+/** \file base64.h uudecode/base64 API. */
+
 int uudecode(char const *src, size_t encoded_size, char **result,
                size_t *decoded_size);
 int base64_decode(char const *src, size_t encoded_size, char **result,