Grant the 'create symlink' privilege to who.

	Based on http://support.microsoft.com/kb/132958

def grant_symlink_privilege(who, machine=''):
	"""
	Grant the 'create symlink' privilege to who.

	Based on http://support.microsoft.com/kb/132958
	"""
	flags = security.POLICY_CREATE_ACCOUNT | security.POLICY_LOOKUP_NAMES
	policy = OpenPolicy(machine, flags)
	return policy