Fix E_STRICT notice

git-svn-id: https://svn.code.sf.net/p/squirrelmail/code/trunk/squirrelmail@14309 7612ce4b-ef26-0410-bec9-ea0150e637f0

diff --git a/class/deliver/Deliver_IMAP.class.php b/class/deliver/Deliver_IMAP.class.php
index 16c327dabe207dd500529ad0168528bb7c33286c..f437b4b7f16342dd338546730e62c5f40beeafbe 100644 (file)
--- a/class/deliver/Deliver_IMAP.class.php
+++ b/class/deliver/Deliver_IMAP.class.php
@@ -52,7 +52,10 @@ class Deliver_IMAP extends Deliver {
      *
      */
     function send_mail($message, $header, $boundary, $stream=false, 
-                       &$raw_length, $folder) {
+                       &$raw_length, $folder=NULL) {
+
+        if (is_null($folder))
+            die('Internal error. Cannot pass NULL folder name to Deliver_IMAP::send_mail()');
 
         // write the body without providing a stream so we
         // can calculate the final length - after this call,