Replaced OC.webroot with OC.getRootPath()
Replaced OC.webroot with OC.getRootPath()

Signed-off-by: Felix Nüsse <0c9f34046bb524d9975b5438d8feacee21f51ec4@t-online.de>

nextcloud/passman,nextcloud/passman,nextcloud/passman,nextcloud/passman