gopher: fix URL to Google merchandise store

Thanks to benjamin-rood for pointing it out.

Change-Id: I4bfcfe1bc4f9604a91c4181d078a23ca68b2cf5e
Reviewed-on: https://go-review.googlesource.com/18020
Reviewed-by: Ian Lance Taylor <[email protected]>
Reviewed-by: Chris Broadfoot <[email protected]>

Author: bradfitz

content/gopher.article

@@ -58,7 +58,7 @@ Here are a few gopher adaptations that people have used as mascots for user grou
 
 They're cute and we like them, but by the Creative Commons rules the groups should give Renee credit, perhaps as a mention on the user group web site.
 
-The vinyl and plush gophers are copyrighted designs; accept no substitutes! But how can you get one? Their natural habitat is near high concentrations of Go programmers, and their worldwide population is growing. They may be purchased from the [[https://www.googlestore.com/Google+Redesign/Brands/Gopher/Go+Gopher+Squishable.axd][Google Store]], although the supply can be irregular. (These elusive creatures have been spotted in all [[http://www.flickr.com/photos/pinkhamsters/sets/72157627910426064/][kinds]] [[https://plus.google.com/107966629974328136037/posts/TcFA9zHzQB8][of]] [[https://twitter.com/goroutine][places]].)
+The vinyl and plush gophers are copyrighted designs; accept no substitutes! But how can you get one? Their natural habitat is near high concentrations of Go programmers, and their worldwide population is growing. They may be purchased from the [[https://www.googlemerchandisestore.com/Google+Redesign/Fun/Go+Gopher+Blue+Squishable.axd?cid=1399][Google Store]], although the supply can be irregular. (These elusive creatures have been spotted in all [[http://www.flickr.com/photos/pinkhamsters/sets/72157627910426064/][kinds]] [[https://plus.google.com/107966629974328136037/posts/TcFA9zHzQB8][of]] [[https://twitter.com/goroutine][places]].)
 
 Perhaps the best way to get a gopher is to catch one in the wild at a Go conference. There are two big chances this year: [[http://gophercon.com/][GopherCon]] (Denver, April 24-26) and [[http://dotgo.eu][dotGo]] (Paris, October 10).