upstream commit

remove unneeded includes, sync my copyright across files
 & whitespace; ok djm@
diff --git a/cipher-chachapoly.c b/cipher-chachapoly.c
index 8665b41..7f31ff4 100644
--- a/cipher-chachapoly.c
+++ b/cipher-chachapoly.c
@@ -14,7 +14,7 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $OpenBSD: cipher-chachapoly.c,v 1.6 2014/07/03 12:42:16 jsing Exp $ */
+/* $OpenBSD: cipher-chachapoly.c,v 1.7 2015/01/14 10:24:42 markus Exp $ */
 
 #include "includes.h"
 
@@ -116,4 +116,3 @@
 	*plenp = PEEK_U32(buf);
 	return 0;
 }
-