typo in ga script (#237)

_layouts/default.html

@@ -196,7 +196,7 @@
             crossorigin="anonymous" integrity="sha256-+nuEu243+6BveXk5N+Vbr268G+4FHjUOEcfKaBqfPbc= sha384-ugp/e34LtoER7mwf3SLygR0OL+STa4FTLzk7MRbpY/usE4VV+24hBxRXRS6g5ZJy sha512-JZSo0h5TONFYmyLMqp8k4oPhuo6yNk9mHM+FY50aBjpypfofqtEWsAgRDQm94ImLCzSaHeqNvYuD9382CEn2zw=="></script>
     <script src="{{site.baseurl}}/lib/fluidbox/js/jquery.fluidbox.min.js"></script>
     {% if jekyll.environment == "production" %}
-    <script src="{{site.baseurl}}/js/ga.min.js?v={{'now' | date: "%s"}}"></script>
+    <script src="{{site.baseurl}}/js/ga.js?v={{'now' | date: "%s"}}"></script>
     {% else %}
     <script src="{{site.baseurl}}/js/ga-noop.min.js"></script>
     {% endif %}