rn-5: credit Eric properly

We usually add the name of the authors after the title and
also credit them as helpers instead of editors.

Author: chriscool

rev_news/drafts/edition-5.md

@@ -207,7 +207,7 @@ about how to manage a potential strftime() failure when it is passed a
 bogus format ensued.
 
 
-* [New `git worktree` command](http://thread.gmane.org/gmane.comp.version-control.git/272949)
+* [New `git worktree` command](http://thread.gmane.org/gmane.comp.version-control.git/272949) (*written by Eric Sunshine*)
 
 The linked-worktree facility allows multiple working directories to share a
 single repository, with (typically) a different branch checked out in each
@@ -339,6 +339,5 @@ __Git tools and sites__
 ## Credits
 
 This edition of Git Rev News was curated by Christian Couder &lt;<[email protected]>&gt;,
-Thomas Ferris Nicolaisen &lt;<[email protected]>&gt; Nicola Paolucci &lt;<[email protected]>&gt;,
-and Eric Sunshine &lt;<[email protected]>&gt;,
-with help from Junio C Hamano, Matthieu Moy and Johannes Schindelin.
+Thomas Ferris Nicolaisen &lt;<[email protected]>&gt; and Nicola Paolucci &lt;<[email protected]>&gt;,
+with help from Eric Sunshine &lt;<[email protected]>&gt;, Junio C Hamano, Matthieu Moy and Johannes Schindelin.