Use Bernard Baruch's full name.

The words "old than" seem to be quoted as "older than" by some sources,
so use the more likely and grammatically correct text.

PR:		docs/173868
Submitted by:	Chris Petrik <c.petrik.sosa@gmail.com>
Approved by:	cperciva
MFC after:	1 week

games/fortune/datfiles/fortunes

@@ -35766,8 +35766,8 @@ the code over again, since I also removed the source.
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 Old age and treachery will overcome youth and skill.
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-Old age is always fifteen years old than I am.
-		-- B. Baruch
+Old age is always fifteen years older than I am.
+		-- Bernard Baruch
 %
 Old age is the harbor of all ills.
 		-- Bion