Fix spacing issue.

database/migrations/2015_01_05_203341_CreateUsersTable.php

@@ -22,7 +22,7 @@ class CreateUsersTable extends Migration
     {
         Schema::create('users', function (Blueprint $table) {
             $table->engine = 'InnoDB';
-            
+
             $table->increments('id');
             $table->string('username');
             $table->string('password');