Fix: Truthy .Value check

Author: TasoOneAsia

layouts/shortcodes/ghcode.html

@@ -4,7 +4,7 @@
 {{ with try (resources.GetRemote $file) }}
   {{ with .Err }}
     {{ errorf "%s" . }}
-  {{ else }}
+  {{ else with .Value }}
     {{ $lang := path.Ext $file | strings.TrimPrefix "." }}    
     <div class="code-block">
       {{- if and (ne $lang "") (ne $lang "none") -}}