fix for image-display $passed_ent_id -> ent_id

Now we only use passed_ent_id in case of message/rfc822 attachments

functions/mime.php

@@ -1214,7 +1214,7 @@ function sq_cid2http($message, $id, $cidurl, $mailbox){
     $cidurl = substr(trim($cidurl), 4);
     $httpurl = $quotchar . "../src/download.php?absolute_dl=true&" .
         "passed_id=$id&mailbox=" . urlencode($mailbox) .
-        "&passed_ent_id=" . find_ent_id($cidurl, $message) . $quotchar;
+        "&ent_id=" . find_ent_id($cidurl, $message) . $quotchar;
     return $httpurl;
 }