- Fix handling errors of folder deletion (#1486705)

CHANGELOG

@@ -1,6 +1,7 @@
 CHANGELOG RoundCube Webmail
 ===========================
 
+- Fix handling errors of folder deletion (#1486705)
 - Parse untagged CAPABILITY response for LOGIN command (#1486742)
 - Renamed all php-cli scripts to use .sh extension
 - Some files from /bin + spellchecking actions moved to the new 'utils' task

program/include/rcube_imap.php

@@ -2764,7 +2764,7 @@ class rcube_imap
 
                 // send delete command to server
                 $result = $this->conn->deleteFolder($mailbox);
-                if ($result >= 0) {
+                if ($result) {
                     $deleted = true;
                     $this->clear_message_cache($mailbox.'.msg');
 	            }
@@ -2773,7 +2773,7 @@ class rcube_imap
                     if ($c_mbox != 'INBOX') {
                         $this->conn->unsubscribe($c_mbox);
                         $result = $this->conn->deleteFolder($c_mbox);
-                        if ($result >= 0) {
+                        if ($result) {
                             $deleted = true;
     	                    $this->clear_message_cache($c_mbox.'.msg');
                         }