add string.h, noted by Staffan Thomen <duck@multi.fi>

crypto/dist/heimdal/lib/hdb/libasn1.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2001 Kungliga Tekniska Högskolan
+ * Copyright (c) 1997 - 2001 Kungliga Tekniska Högskolan
  * (Royal Institute of Technology, Stockholm, Sweden). 
  * All rights reserved. 
  *
@@ -31,7 +31,7 @@
  * SUCH DAMAGE. 
  */
 
-/* $Id: libasn1.h,v 1.1.1.3 2001/06/19 22:08:16 assar Exp $ */
+/* $Id: libasn1.h,v 1.2 2001/06/23 22:42:43 assar Exp $ */
 
 #ifndef __LIBASN1_H__
 #define __LIBASN1_H__
@@ -41,6 +41,7 @@
 #endif
 
 #include <stdlib.h>
+#include <string.h>
 #include <errno.h>
 #include <krb5_asn1.h>
 #include <der.h>