Land #6543, msu_finder link update

spec/tools/msu_finder_spec.rb

@@ -297,7 +297,7 @@ RSpec.describe MicrosoftPatchFinder do
       end
 
       let(:expected_link) do
-        'http://download.microsoft.com/download/9/0/6/906BC7A4-7DF7-4C24-9F9D-3E801AA36ED3/Windows6.0-KB3087918-x86.msu'
+        'https://download.microsoft.com/download/9/0/6/906BC7A4-7DF7-4C24-9F9D-3E801AA36ED3/Windows6.0-KB3087918-x86.msu'
       end
 
       let(:download_html_res) do

tools/exploit/msu_finder.rb

@@ -255,7 +255,7 @@ module MicrosoftPatchFinder
       n = ::Nokogiri::HTML(res.body)
 
       n.search('a').select { |a|
-        a.attributes['href'] && a.attributes['href'].value.include?('http://download.microsoft.com/download/')
+        a.attributes['href'] && a.attributes['href'].value.include?('https://download.microsoft.com/download/')
       }.map! { |a| a.attributes['href'].value }.uniq
     end