Fix minor issues detected by FindBugs.

Ludovic Poitou

23.23.2011 e2e55f895f9c490d5ad6d39dd2cb15f12de7eab2

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Your directory password will expire in %%notification-property:time-until-expiration%%.
 
Please change your password before %%notification-property:password-expiration-time%%
so that it does not expire.
 
For further assistance, please contact a directory administrator.