Mark 5.2 release date

(cherry picked from commit dd91a7ea)

Mark 5.2 release date
(cherry picked from commit dd91a7ea)
2cd43724 · Jan Möbius · 00d533c2 · 2cd43724
Commit 2cd43724 authored Apr 27, 2016 by Jan Möbius
--- a/Doc/changelog.docu
+++ b/Doc/changelog.docu
@@ -53,7 +53,7 @@
 </tr>


-<tr valign=top><td><b>5.2</b> (?/?/?)</td><td>
+<tr valign=top><td><b>5.2</b> (2016/04/28)</td><td>

 <b>Core</b>
 <ul>