LDAP: when ldaps and tls are configured, disable the latter one - they do not work together. ldaps already creates a secure connection.

apps/user_ldap/lib/connection.php

@@ -409,6 +409,11 @@ class Connection {
 				$this->config[$key] = array();
 			}
 		}
+		if((strpos($this->config['ldapHost'], 'ldaps') === 0)
+			&& $this->config['ldapTLS']) {
+			$this->config['ldapTLS'] = false;
+			\OCP\Util::writeLog('user_ldap', 'LDAPS (already using secure connection) and TLS do not work together. Switched of TLS.', \OCP\Util::INFO);
+		}