More refactoring to please rubocop

lib/googleauth.rb

@@ -87,7 +87,8 @@ END
     # @param scope [string|array|nil] the scope(s) to access
     # @param options [hash] allows override of the connection being used
     def get_application_default(scope = nil, options = {})
-      creds = DefaultCredentials.from_env(scope) || DefaultCredentials.from_well_known_path(scope)
+      creds = DefaultCredentials.from_env(scope) ||
+              DefaultCredentials.from_well_known_path(scope)
       return creds unless creds.nil?
       fail NOT_FOUND_ERROR unless GCECredentials.on_gce?(options)
       GCECredentials.new

spec/googleauth/signet_spec.rb

@@ -45,8 +45,7 @@ describe Signet::OAuth2::Client do
       scope: 'https://www.googleapis.com/auth/userinfo.profile',
       issuer: 'app@example.com',
       audience: 'https://accounts.google.com/o/oauth2/token',
-      signing_key: @key
-      )
+      signing_key: @key)
   end
 
   def make_auth_stubs(opts)