Specify which impl we expect

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

1 files changed, 2 insertions, 0 deletions

diff --git a/lib/Controller/MessagesController.php b/lib/Controller/MessagesController.php
index 19dfc1d35..1dbf37ff4 100755
--- a/lib/Controller/MessagesController.php
+++ b/lib/Controller/MessagesController.php
@@ -31,6 +31,7 @@ namespace OCA\Mail\Controller;
 use OCA\Mail\Exception\ServiceException;
 use OCA\Mail\Http\AttachmentDownloadResponse;
 use OCA\Mail\Http\HtmlResponse;
+use OCA\Mail\Model\IMAPMessage;
 use OCA\Mail\Service\AccountService;
 use OCA\Mail\Service\ContactsIntegration;
 use OCA\Mail\Service\IAccount;
@@ -307,6 +308,7 @@ class MessagesController extends Controller {
 		$attachmentIds = [$attachmentId];
 		if($attachmentId === 0) {
 			// Save all attachments
+			/* @var $m IMAPMessage */
 			$m = $mailBox->getMessage($messageId);
 			$attachmentIds = array_map(function($a){
 				return $a['id'];