Add missing trailing slash

apps/files_sharing/lib/controllers/externalsharescontroller.php

@@ -130,13 +130,13 @@ class ExternalSharesController extends Controller {
 	 */
 	public function testRemote($remote) {
 		if (
-			$this->testUrl('https://' . $remote . '/ocs-provider') ||
+			$this->testUrl('https://' . $remote . '/ocs-provider/') ||
 			$this->testUrl('https://' . $remote . '/ocs-provider/index.php') ||
 			$this->testUrl('https://' . $remote . '/status.php', true)
 		) {
 			return new DataResponse('https');
 		} elseif (
-			$this->testUrl('http://' . $remote . '/ocs-provider') ||
+			$this->testUrl('http://' . $remote . '/ocs-provider/') ||
 			$this->testUrl('http://' . $remote . '/ocs-provider/index.php') ||
 			$this->testUrl('http://' . $remote . '/status.php', true)
 		) {

apps/files_sharing/lib/external/storage.php

@@ -225,7 +225,7 @@ class Storage extends DAV implements ISharedStorage {
 	protected function testRemote() {
 		try {
 			return $this->testRemoteUrl($this->remote . '/ocs-provider/index.php')
-				|| $this->testRemoteUrl($this->remote . '/ocs-provider')
+				|| $this->testRemoteUrl($this->remote . '/ocs-provider/')
 				|| $this->testRemoteUrl($this->remote . '/status.php');
 		} catch (\Exception $e) {
 			return false;