title: Building an electron app with for Windows now failing
body: <p>I had to upgrade my Electron packages in order to do DMG builds on OS X High Sierra.  Ever since then I can no longer do Squirrel builds for Windows.  I'm able to build for NSIS, but that appears to be 64-bit only and does not include the updater package.  I'm using Squirrel as we still have a lot of 32-bit clients and we supply auto updates via a Squirrel server.</p>
  
  <p>It appears there's something incompatible between the old iconUrl parameter required by Squirrel and the new icon parameter.  I've updated all my packages and the squirrel builder is a comparable version to electron builder, yet still no luck.  Has anyone found a way around this problem?</p>