test: fix event-emitter-get-max-listeners style

Add missing commas in parallel/test-event-emitter-get-max-listeners.

Comma-less style is fine and dandy but it throws off vim's autoindent.

PR-URL: #527
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

test/parallel/test-event-emitter-get-max-listeners.js

@@ -6,8 +6,8 @@ var emitter = new EventEmitter();
 
 assert.strictEqual(emitter.getMaxListeners(), EventEmitter.defaultMaxListeners);
 
-emitter.setMaxListeners(0)
-assert.strictEqual(emitter.getMaxListeners(), 0)
+emitter.setMaxListeners(0);
+assert.strictEqual(emitter.getMaxListeners(), 0);
 
-emitter.setMaxListeners(3)
-assert.strictEqual(emitter.getMaxListeners(), 3)
+emitter.setMaxListeners(3);
+assert.strictEqual(emitter.getMaxListeners(), 3);