style: Add empty line after guard clause

Author: DirtyF

lib/jekyll-gist/gist_tag.rb

@@ -58,6 +58,7 @@ def gist_script_tag(gist_id, filename = nil)
 
       def gist_noscript_tag(gist_id, filename = nil)
         return if @settings && @settings["noscript"] == false
+
         code = fetch_raw_code(gist_id, filename)
         if !code.nil?
           code = code.force_encoding(@encoding)