Fix handling of base64-encoded attachments with extra spaces (#1490111)

Aleksander Machniak

2014-10-23 9d9623462ab144f9013b1f7ac85667e186f6c0d8

 program/lib/Roundcube/rcube_imap_generic.php

@@ -2675,7 +2675,7 @@

                    // BASE64
                    if ($mode == 1) {
                        $line = rtrim($line, "\t\r\n\0\x0B");
                        $line = preg_replace('|[^a-zA-Z0-9+=/]|', '', $line);
                        // create chunks with proper length for base64 decoding
                        $line = $prev.$line;
                        $length = strlen($line);