Don't dereference retained if it isn't set yet.
file_60487.txt (text/plain), 425 bytes, created by Jeff W on 2016-12-16 06:25:19 UTC
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Creator: Jeff W
Created: 2016-12-16 06:25:19 UTC
Size: 425 bytes
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Attachments on bug 60487: 34528 | 34764