Switch Lua documentation to HTTPS

lib/docs/scrapers/lua.rb

@@ -14,17 +14,17 @@ module Docs
 
     version '5.3' do
       self.release = '5.3'
-      self.base_url = 'http://www.lua.org/manual/5.3/'
+      self.base_url = 'https://www.lua.org/manual/5.3/'
     end
 
     version '5.2' do
       self.release = '5.2'
-      self.base_url = 'http://www.lua.org/manual/5.2/'
+      self.base_url = 'https://www.lua.org/manual/5.2/'
     end
 
     version '5.1' do
       self.release = '5.1'
-      self.base_url = 'http://www.lua.org/manual/5.1/'
+      self.base_url = 'https://www.lua.org/manual/5.1/'
     end
   end
 end