[gnome-control-center] user-accounts: Fix comment about SHA-256 usage

[Bastien Nocera <hadess src gnome org>]

commit 9656b4136d5ded6a4eb1a440f8a4fadff4072eb1
Author: Bastien Nocera <hadess hadess net>
Date:   Fri Nov 23 11:56:26 2012 +0100

    user-accounts: Fix comment about SHA-256 usage
    
    As per crypt(3), ID 6 is:
    6   | SHA-512 (since glibc 2.7)
    
    Spotted by Florian MÃlnner.

 panels/user-accounts/um-user.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/panels/user-accounts/um-user.c b/panels/user-accounts/um-user.c
index c84b71b..1bbaa8c 100644
--- a/panels/user-accounts/um-user.c
+++ b/panels/user-accounts/um-user.c
@@ -872,7 +872,7 @@ make_crypted (const gchar *plain)
         rand = g_rand_new ();
         salt = g_string_sized_new (21);
 
-        /* SHA 256 */
+        /* SHA 512 */
         g_string_append (salt, "$6$");
         for (i = 0; i < 16; i++) {
                 g_string_append_c (salt, salt_char (rand));