Make report appear on top of RC call for testing.

It's now a bit late to start testing the RC, and the report lost the race and
was never displayed on top eventually.

wiki/src/news/test_0.17.2-rc1.html

-[[!meta date="2013-04-04 23:45:60 +0200"]]
+[[!meta date="2013-04-04 10:45:00"]]
 [[!meta title="Call for testing: 0.17.2~rc1"]]
 
 <p>You can help Tails! The first (and hopefully only) release candidate for the