Optimize the composer_autoload check
diff --git a/system/core/CodeIgniter.php b/system/core/CodeIgniter.php
index 5ff788a..10d599c 100644
--- a/system/core/CodeIgniter.php
+++ b/system/core/CodeIgniter.php
@@ -452,7 +452,7 @@
  *  Should we use a Composer autoloader?
  * ------------------------------------------------------
  */
-	if (($composer_autoload = config_item('composer_autoload')) !== FALSE)
+	if ($composer_autoload = config_item('composer_autoload'))
 	{
 		if ($composer_autoload === TRUE && file_exists(APPPATH.'vendor/autoload.php'))
 		{