Prevents PHP from throwing a warning while autoloaders try to include non existing class files.

Author: chris-at-netshake

src/FontLib/TrueType/File.php

@@ -305,7 +305,7 @@ protected function readTable($tag) {
 
       $class = "FontLib\\Table\\Type\\$name_canon";
 
-      if (!isset($this->directory[$tag]) || !class_exists($class)) {
+      if (!isset($this->directory[$tag]) || !@class_exists($class)) {
         return;
       }
     }