UW sends \NoSelect in LIST and not in LSUB, which is perfectly fine by

RFCs, but we didn't do that.  For UW IMAP, force a LIST command on each
mailbox, this should also fix the \NoSelect on INBOX if it occurs.

Also updated the check for \NoSelect to include the LIST option as well as
LSUB.

functions/imap_mailbox.php

@@ -84,7 +84,7 @@ function find_mailbox_name ($mailbox) {
 }
 
 function check_is_noselect ($lsub_line) {
-    return preg_match("/^\* LSUB \([^\)]*\\Noselect[^\)]*\)/i", $lsub_line);
+    return preg_match("/^\* (LSUB|LIST) \([^\)]*\\Noselect[^\)]*\)/i", $lsub_line);
 }
 
 /**
@@ -707,7 +707,8 @@ function sqimap_mailbox_tree($imap_stream) {
     if (!isset($boxesnew)) {
 
         global $data_dir, $username, $list_special_folders_first,
-               $folder_prefix, $delimiter, $trash_folder, $move_to_trash;
+               $folder_prefix, $delimiter, $trash_folder, $move_to_trash,
+               $imap_server_type;
 
 
         $inbox_in_list = false;
@@ -763,6 +764,14 @@ function sqimap_mailbox_tree($imap_stream) {
             }
 
             $mbx = find_mailbox_name($lsub_ary[$i]);
+
+            // Force a list for UW as it returns \NoSelect in LIST and not LSUB //
+            if ($imap_server_type == "uw") {                
+                $tmp_str = sqimap_run_command( $imap_stream , "LIST \"\" \"$mbx\"" , true, $response, $message );
+                if (isset($tmp_str[0])) {
+                    $lsub_ary[$i] = $tmp_str[0];
+                }
+            }
             $noselect = check_is_noselect($lsub_ary[$i]);
             if (substr($mbx, -1) == $delimiter) {
                 $mbx = substr($mbx, 0, strlen($mbx) - 1);