plugins: Fix a SmartyException typo

libs/plugins/shared.literal_compiler_param.php

@@ -26,7 +26,7 @@ function smarty_literal_compiler_param($params, $index, $default = null)
     if (!preg_match('/^([\'"]?)[a-zA-Z0-9-]+(\\1)$/', $params[ $index ])) {
         throw new SmartyException(
             '$param[' . $index .
-            '] is not a literal and is thus not evaluatable at compile time'
+            '] is not a literal and is thus not evaluable at compile time'
         );
     }
     $t = null;