[devdocsgjs/main: 939/1867] crystal: update get_latest_version

[Andy Holmes <andyholmes src gnome org>]

commit 946fcc28ac2c6de9aa5dc64ea3a82c7c87595a2c
Author: Jasper van Merle <jaspervmerle gmail com>
Date:   Fri Oct 4 18:46:29 2019 +0200

    crystal: update get_latest_version

 lib/docs/scrapers/crystal.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/lib/docs/scrapers/crystal.rb b/lib/docs/scrapers/crystal.rb
index 166be2f9..7813b848 100644
--- a/lib/docs/scrapers/crystal.rb
+++ b/lib/docs/scrapers/crystal.rb
@@ -52,8 +52,8 @@ module Docs
     end
 
     def get_latest_version(opts)
-      body = fetch('https://crystal-lang.org/api', opts)
-      body.scan(/Crystal Docs ([0-9.]+)/)[0][0]
+      doc = fetch_doc('https://crystal-lang.org/', opts)
+      doc.at_css('.latest-release').content.scan(/([0-9.]+)/)[0][0]
     end
   end
 end