concrete5/concrete5 — pull request #1768 by Remo (2014-05-06 12:56:10+00:00)
Title: set default timestamp value

I'm just pushing this code, it was forwarded to me and originally changed by the hosting company karlertl uses.
More details about the issue this code fixes on this page http://www.concrete5.org/developers/bugs/5-6-3-1/mysql-5.6-error-when-adding-a-file-to-a-file-set/