Fix tail handling in buf_xor_1

* cipher/bufhelp.h (buf_xor_1): Increment source pointer at tail
handling.
--

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>

1 files changed, 1 insertions, 1 deletions

diff --git a/cipher/bufhelp.h b/cipher/bufhelp.h
index fb87939b..c1aa52e0 100644
--- a/cipher/bufhelp.h
+++ b/cipher/bufhelp.h
@@ -162,7 +162,7 @@ do_bytes:
 #endif
   /* Handle tail.  */
   for (; len; len--)
-    *dst++ ^= *src;
+    *dst++ ^= *src++;
 }