Fix for deleting message from search expiring cache.

src/search.php

@@ -893,7 +893,7 @@ function sqimap_asearch_get_selectable_unformatted_mailboxes(&$boxes)
 
 /* ------------------------ main ------------------------ */
 /* get globals we will need */
-sqgetGlobalVar('smtoken', $submitted_token, SQ_GET, '');
+sqgetGlobalVar('smtoken', $submitted_token, SQ_FORM, '');
 sqgetGlobalVar('delimiter', $delimiter, SQ_SESSION);
 
 if (!sqgetGlobalVar('checkall',$checkall,SQ_GET)) {