Merge pull request #17517 from RealRancor/fix_failed_login_syntax

Fixed "Remote IP:" syntax on failed logins

lib/private/user/manager.php

@@ -182,7 +182,7 @@ class Manager extends PublicEmitter implements IUserManager {
 			}
 		}
 
-		\OC::$server->getLogger()->warning('Login failed: \''. $loginname .'\' (Remote IP: \''. \OC::$server->getRequest()->getRemoteAddress(). ')', ['app' => 'core']);
+		\OC::$server->getLogger()->warning('Login failed: \''. $loginname .'\' (Remote IP: \''. \OC::$server->getRequest()->getRemoteAddress(). '\')', ['app' => 'core']);
 		return false;
 	}