Use memmove() instead of memcpy() on areas that may overlap.

Spotted by Nalin Dahyabhai <nalin@redhat.com>

ssl/s3_enc.c

@@ -363,7 +363,7 @@ int ssl3_enc(SSL *s, int send)
 	if ((s->session == NULL) || (ds == NULL) ||
 		(enc == NULL))
 		{
-		memcpy(rec->data,rec->input,rec->length);
+		memmove(rec->data,rec->input,rec->length);
 		rec->input=rec->data;
 		}
 	else

ssl/t1_enc.c

@@ -464,7 +464,7 @@ int tls1_enc(SSL *s, int send)
 	if ((s->session == NULL) || (ds == NULL) ||
 		(enc == NULL))
 		{
-		memcpy(rec->data,rec->input,rec->length);
+		memmove(rec->data,rec->input,rec->length);
 		rec->input=rec->data;
 		}
 	else