Update GPLv3 examples

_licenses/gpl-3.0.txt

@@ -14,9 +14,9 @@ how: Create a text file (typically named LICENSE or LICENSE.txt) in the root of
 note: The Free Software Foundation recommends taking the additional step of adding a boilerplate notice to the top of each file. The boilerplate can be found at the end of the license.
 
 using:
+  - Ansible: https://github.com/ansible/ansible/blob/devel/COPYING
   - Bash: https://git.savannah.gnu.org/cgit/bash.git/tree/COPYING
   - GIMP: https://git.gnome.org/browse/gimp/tree/COPYING
-  - Privacy Badger: https://github.com/EFForg/privacybadgerfirefox/blob/master/LICENSE
 
 permissions:
   - commercial-use

spec/license_meta_spec.rb

@@ -64,6 +64,8 @@ describe 'license meta' do
           example_url = example.values[0]
           if example_url.index('https://github.com/') == 0
             example_url.gsub!(%r{\Ahttps://github.com/([\w-]+/[\w-]+)/blob/([\w-]+/\S+)\z}, 'https://raw.githubusercontent.com/\1/\2')
+          elsif example_url.index('https://git.savannah.gnu.org/') == 0 || example_url.index('https://git.gnome.org/') == 0
+            example_url.gsub!(%r{/tree/}, '/plain/')
           end
           content = open(example_url).read
           detected = Licensee::ProjectFiles::LicenseFile.new(content, 'LICENSE').license