[PATCH] s4-drs: Using dsdb_msg_add_guid() utility function

[tridge at samba.org]

Hi Fernando,

 > Attached is a little patch which try to use the dsdb_msg_add_guid()
 > utility function that I've created before, to add a GUID attribute to
 > some ldb_message in several places of samba4 code.

Thanks! I've pushed this to master.

Cleanups like this are really worthwhile as they make the code much
easier to read.

Cheers, Tridge