not before vowels with a consonant sound so its a url not an url

Change-Id: Ic27ff3bee67469284d460c31ced6f63cb3633db2
Reviewed-on: https://gerrit.libreoffice.org/72062Reviewed-by: Jens Carl <j.carl43@gmx.de>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>