Update apps/dav/lib/CardDAV/PhotoCache.php

Signed-off-by: John Molakvoæ (skjnldsv) <skjnldsv@protonmail.com>

Co-Authored-By: skjnldsv <skjnldsv@users.noreply.github.com>

apps/dav/lib/CardDAV/PhotoCache.php

@@ -233,7 +233,7 @@ class PhotoCache {
 				'body'         => $val
 			];
 		} catch (\Exception $e) {
-			$this->logger->logException($ex, [
+			$this->logger->logException($e, [
 				'message' => 'Exception during vcard photo parsing'
 			]);
 		}