Add blank line

Author: josephfrazier

tests/spec/s-xregexp.js

@@ -505,6 +505,7 @@ describe('XRegExp()', function() {
                 expect(function() {XRegExp('(?<n1>)\\k<n2>(?<n2>)');}).toThrowError(SyntaxError);
                 expect(function() {XRegExp('(?<n>\\k<n>)');}).not.toThrow();
             });
+
         });
 
         describe('strict error handling', function() {