Fix Rubocop warnings.

git-svn-id: https://svn.redmine.org/redmine/trunk@21596 e93f8b46-1217-0410-a6f0-8f06a7374b81

Author: marius-balteanu

lib/redmine/wiki_formatting/common_mark/external_links_filter.rb

@@ -31,7 +31,11 @@ def call
             next unless url
             next if url.starts_with?("/") || url.starts_with?("#") || !url.include?(':')
 
-            scheme = URI.parse(url).scheme rescue nil
+            scheme = begin
+              URI.parse(url).scheme
+            rescue
+              nil
+            end
             next if scheme.blank?
 
             klass = node["class"].presence

test/system/inline_autocomplete_test.rb

@@ -185,6 +185,5 @@ def test_inline_autocomplete_for_users_should_work_after_status_change
     within('.tribute-container') do
       assert page.has_text? "Dave Lopper"
     end
-
   end
 end