Merge #650: releases: Change windows default to win64

6a2934f releases: Change windows default to win64 (Wladimir J. van der Laan)

Pull request description:

  Set win64 as default for windows users.
  It has better performance, supports higher dbcache values, and so on.
  Surprised this wasn't the case already.

ACKs for commit 6a2934:
  fanquake:
    utACK 6a2934f

Tree-SHA512: e6e69f5ea37fc78edc771d26657648f3699e5a6a80794332cd83f472ed2c33db11d20e04a8b75dbf813b3d674796a5c272d9cd4eaf8c5c957fafac6e24601f05

Author: laanwj

_includes/templates/download.html

@@ -18,7 +18,7 @@
 <link rel="alternate" type="application/rss+xml" href="/en/releasesrss.xml" title="Bitcoin Core releases">
 <div class="download">
   <h2>{{ page.latestversion }} {{CURRENT_RELEASE}} <a type="application/rss+xml" href="/en/releasesrss.xml"><img src="/assets/images/icons/icon_rss.svg" alt="rss" class="rssicon"></a></h2>
-  <div class="mainbutton"><a id="downloadbutton" href="{{ PATH_PREFIX }}/{{ FILE_PREFIX }}-{{ site.data.binaries.win32exe }}"><img src="/assets/images/os/but_windows.svg" alt="icon"><span>{{ page.download }}</span></a></div>
+  <div class="mainbutton"><a id="downloadbutton" href="{{ PATH_PREFIX }}/{{ FILE_PREFIX }}-{{ site.data.binaries.win64exe }}"><img src="/assets/images/os/but_windows.svg" alt="icon"><span>{{ page.download }}</span></a></div>
   <div class="downloadbox">
     <p>{{ page.downloados }}</p>
     <div>