db.printCollectionStats with scale will print errors repeatedly when running with an int <= 0 or a non-numeric value

MongoDB 2.3.2-pre-> db.printCollectionStats(0)

foo

{ "ns" : "test.foo", "ok" : 0, "errmsg" : "scale has to be > 0" }

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oplogr

{ "ns" : "test.oplogr", "ok" : 0, "errmsg" : "scale has to be > 0" }

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system.indexes

{ "ns" : "test.system.indexes", "ok" : 0, "errmsg" : "scale has to be > 0" }

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xs

{ "ns" : "test.xs", "ok" : 0, "errmsg" : "scale has to be > 0" }

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