Do not include mountpoints when calculating quota usage on WebDAV

Signed-off-by: Julius Härtl <jus@bitgrid.net>

Author: juliusknorr

apps/dav/lib/Connector/Sabre/Directory.php

@@ -330,7 +330,8 @@ public function getQuotaInfo() {
 			return $this->quotaInfo;
 		}
 		try {
-			$storageInfo = \OC_Helper::getStorageInfo($this->info->getPath(), $this->info);
+			$info = $this->fileView->getFileInfo($this->path, false);
+			$storageInfo = \OC_Helper::getStorageInfo($this->info->getPath(), $info);
 			if ($storageInfo['quota'] === \OCP\Files\FileInfo::SPACE_UNLIMITED) {
 				$free = \OCP\Files\FileInfo::SPACE_UNLIMITED;
 			} else {