autobuild[sn-devel-104]: intermittent test failure detected

[autobuild]

The autobuild test system (on sn-devel-104) has detected an intermittent failing test in 
the current master tree.

The autobuild log of the failure is available here:

   http://git.samba.org/autobuild.flakey.sn-devel-104/2016-08-12-0220/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-104/2016-08-12-0220/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-104/2016-08-12-0220/samba.stdout
  
The top commit at the time of the failure was:

commit e001dceadf20ca5bbc2597571d1caefe77deef77
Author: Volker Lendecke <vl at samba.org>
Date:   Thu Aug 11 15:46:49 2016 +0200

    ldb: Fix some signed/unsigned hickups
    
    Signed-off-by: Volker Lendecke <vl at samba.org>
    Reviewed-by: Stefan Metzmacher <metze at samba.org>
    
    Autobuild-User(master): Jeremy Allison <jra at samba.org>
    Autobuild-Date(master): Thu Aug 11 23:49:38 CEST 2016 on sn-devel-144