gitsync: fix use of title class with deprecated lowercase name

Author: siddharthvp

webservice/routes/gitsync.ts

@@ -16,7 +16,7 @@ router.post('/savepage', upload.none(), async (req, res) => {
             OAuth2AccessToken: req.body.oauth2Token,
             userAgent: 'gitsync ([[en:User:SD0001]])'
         })
-        if (new client.title(req.body.page).namespace === 0) {
+        if (new client.Title(req.body.page).namespace === 0) {
             return res.status(400).contentType('json').send({
                 error: 'Aborting edit to target page as it is in main namespace'
             })