benchmark: fix bracket spacing

Author: nickolaif-svg

lib/node_modules/@stdlib/bench/harness/examples/no_benchmark.js

@@ -25,4 +25,4 @@ var bench = require( './../lib' );
 bench( 'beep' );
 bench( 'boop' );
 bench( 'foo', {} );
-bench( 'bar', { 'skip': false } );
+bench( 'bar', { 'skip': false });