For smb_login, quit trying a username if we learn that the password is expired or if the account is locked out or disabled.

git-svn-id: file:///home/svn/framework3/trunk@9117 4d416f70-5f16-0410-b530-b9f4589650da

modules/auxiliary/scanner/smb/smb_login.rb

@@ -142,7 +142,7 @@ class Metasploit3 < Msf::Auxiliary
 			print_status("#{rhost} - FAILED LOGIN (#{smb_peer_os}) #{user} : #{pass} (#{e.error_reason})")
 
 			disconnect()
-			return
+			return :next_user # These reasons are sufficient to stop trying. 
 		end
  
 		if(simple.client.auth_user)