advapi32: add Security Label sids used by IE7

[Paul Chitescu]

On Tuesday 03 February 2009 20:55:14 Aric Stewart wrote:
[...]
-    WinBuiltinDCOMUsersSid                      = 61
+    WinBuiltinDCOMUsersSid                      = 61,
[...]
+    WinSystemLabelSid                           = 69
[...]

Please add a comma after the last member of the enum. It is legal according to 
the C standard (was allowed especially to simplify algorithmic generated 
enums) and allows one to add more values without changing the existing line - 
this would benefit versioning systems.

+    WinSystemLabelSid                           = 69,

Paul.