minor style fix

lib/pretty_text.rb

@@ -236,12 +236,12 @@ module PrettyText
   def self.make_all_links_absolute(html)
     site_uri = nil
     doc = Nokogiri::HTML.fragment(html)
-    doc.css("a").each do |l|
-      href = l["href"].to_s
+    doc.css("a").each do |link|
+      href = link["href"].to_s
       begin
         uri = URI(href)
         site_uri ||= URI(Discourse.base_url)
-        l["href"] = "#{site_uri}#{l['href']}" unless uri.host.present?
+        link["href"] = "#{site_uri}#{link['href']}" unless uri.host.present?
       rescue URI::InvalidURIError
         # leave it
       end