add prototypes for new crypt functions

src/include/pwd.h

@@ -1,4 +1,4 @@
-/*	$OpenBSD: pwd.h,v 1.22 2014/05/12 19:13:51 tedu Exp $	*/
+/*	$OpenBSD: pwd.h,v 1.23 2014/05/16 21:28:15 tedu Exp $	*/
 /*	$NetBSD: pwd.h,v 1.9 1996/05/15 21:36:45 jtc Exp $	*/
 
 /*-
@@ -107,6 +107,8 @@ int		 setpassent(int);
 char		*user_from_uid(uid_t, int);
 char		*bcrypt_gensalt(u_int8_t);
 char		*bcrypt(const char *, const char *);
+int		bcrypt_newhash(const char *, int, char *, size_t);
+int		bcrypt_checkpass(const char *, const char *);
 struct passwd	*pw_dup(const struct passwd *);
 #endif
 __END_DECLS

src/include/unistd.h

@@ -1,4 +1,4 @@
-/*	$OpenBSD: unistd.h,v 1.85 2014/04/21 11:28:26 guenther Exp $ */
+/*	$OpenBSD: unistd.h,v 1.86 2014/05/16 21:28:15 tedu Exp $ */
 /*	$NetBSD: unistd.h,v 1.26.4.1 1996/05/28 02:31:51 mrg Exp $	*/
 
 /*-
@@ -410,6 +410,9 @@ int	 fdatasync(int);
 #endif
 
 #if __XPG_VISIBLE || __BSD_VISIBLE
+#if __BSD_VISIBLE
+int	crypt_checkpass(const char *, const char *);
+#endif
 char	*crypt(const char *, const char *);
 int	 encrypt(char *, int);
 int	 fchdir(int);