$OpenBSD: patch-src_compress_c,v 1.1 2014/12/02 11:59:42 naddy Exp $
--- src/compress.c.orig	Sun Apr  5 03:58:32 2009
+++ src/compress.c	Tue Dec  2 05:06:54 2014
@@ -995,7 +995,7 @@ void    remove_worddata_longs(unsigned char *worddata,
             progerr("Internal error in remove_worddata_longs");
 
         /* dst may be smaller than src. So move the data */
-        memcpy(dst,src,data_len);
+        memmove(dst,src,data_len);
 
         /* Increase pointers */
         src += data_len;
