Fix regression where using an absolute path to SQLite database file on Windows didn't work (#7196)

CHANGELOG

@@ -22,6 +22,7 @@ CHANGELOG Roundcube Webmail
 - Fix bug where message parts with no Content-Disposition header and no name were not listed on attachments list (#7117)
 - Fix display issues with mail subject that contains line-breaks (#7191)
 - Fix invalid Content-Transfer-Encoding on multipart messages - Mail_Mime fix (#7170)
+- Fix regression where using an absolute path to SQLite database file on Windows didn't work (#7196)
 
 RELEASE 1.4.2
 -------------

program/lib/Roundcube/rcube_db.php

@@ -1264,6 +1264,7 @@ class rcube_db
             if (!empty($parsed['phptype']) && !empty($parsed['database'])
                 && stripos($parsed['phptype'], 'sqlite') === 0
                 && $parsed['database'][0] != '/'
+                && strpos($parsed['database'], ':') === false
             ) {
                 $parsed['database'] = INSTALL_PATH . $parsed['database'];
             }