Replaced URIs in sd/source

Change-Id: If035c10c680fc106eeddb08d127a337701adb85c
Signed-off-by: Christian Barth <Christian.Barth@zoho.com>
Reviewed-on: https://gerrit.libreoffice.org/41056Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>
Tested-by: Markus Mohrhard <markus.mohrhard@googlemail.com>