Fix henrik#11 fixed indentation

test/validates_url_format_of_test.rb

@@ -70,7 +70,7 @@ def test_should_allow_valid_urls
       'http://www.xn--rksmrgs-5wao1o.nu',
       'http://foo.bar.xn--rksmrgs-5wao1o.nu',
       'https://www.xn----ylbbafnbqebomc7ds.com.gr',
-			'http://xn--80agkgigub5kqa.xn--p1ai',
+      'http://xn--80agkgigub5kqa.xn--p1ai',
       'http://example.com.',  # Explicit TLD root period
       'http://example.com./foo'
     ].each do |url|