Catch warning on is_readable() failure (open_basedir restriction)

1 files changed, 1 insertions, 1 deletions

diff --git a/program/lib/Roundcube/rcube_mime.php b/program/lib/Roundcube/rcube_mime.php
index 596828814..d413c0a7e 100644
--- a/program/lib/Roundcube/rcube_mime.php
+++ b/program/lib/Roundcube/rcube_mime.php
@@ -795,7 +795,7 @@ class rcube_mime
         }
 
         foreach ($file_paths as $fp) {
-            if (is_readable($fp)) {
+            if (@is_readable($fp)) {
                 $lines = file($fp, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
                 break;
             }