Fix features specs (hopefully)

Signed-off-by: Rémy Coutable <remy@rymai.me>

features/steps/project/source/browse_files.rb

@@ -283,7 +283,7 @@ class Spinach::Features::ProjectSourceBrowseFiles < Spinach::FeatureSteps
   end
 
   step 'I click on "add a file" link' do
-    click_link 'adding README'
+    click_link 'adding a README'
 
     # Remove pre-receive hook so we can push without auth
     FileUtils.rm_f(File.join(@project.repository.path, 'hooks', 'pre-receive'))

lib/api/licenses.rb

@@ -5,12 +5,12 @@ module API
     /[\<\{\[]
       (project|description|
       one\sline\s.+\swhat\sit\sdoes\.) # matching the start and end is enough here
-    [\>\}\]]/xi
-    YEAR_TEMPLATE_REGEX = /[<{\[](year|yyyy)[>}\]]/i
+    [\>\}\]]/xi.freeze
+    YEAR_TEMPLATE_REGEX = /[<{\[](year|yyyy)[>}\]]/i.freeze
     FULLNAME_TEMPLATE_REGEX =
     /[\<\{\[]
       (fullname|name\sof\s(author|copyright\sowner))
-    [\>\}\]]/xi
+    [\>\}\]]/xi.freeze
 
     # Get the list of the available license templates
     #