Scrutinizer Auto-Fixes

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/owncloud/core/inspections/cdfecc4e-a37e-4233-8025-f0d7252a8720

Enabled analysis tools:
 - PHP Analyzer
 - JSHint
 - PHP Copy/Paste Detector
 - PHP PDepend

1 files changed, 5 insertions, 2 deletions

diff --git a/lib/private/appconfig.php b/lib/private/appconfig.php
index a32c1126c7b..cdaaebb87e5 100644
--- a/lib/private/appconfig.php
+++ b/lib/private/appconfig.php
@@ -69,6 +69,9 @@ class AppConfig implements \OCP\IAppConfig {
 		return $this->cache[$app];
 	}
 
+	/**
+	 * @param string $app
+	 */
 	private function getAppValues($app) {
 		$appCache = $this->getAppCache($app);
 		if (array_search($app, $this->appsLoaded) === false) {
@@ -184,7 +187,7 @@ class AppConfig implements \OCP\IAppConfig {
 	 * @brief Deletes a key
 	 * @param string $app app
 	 * @param string $key key
-	 * @return bool
+	 * @return boolean|null
 	 */
 	public function deleteKey($app, $key) {
 		$where = array(
@@ -200,7 +203,7 @@ class AppConfig implements \OCP\IAppConfig {
 	/**
 	 * @brief Remove app from appconfig
 	 * @param string $app app
-	 * @return bool
+	 * @return boolean|null
 	 *
 	 * Removes all keys in appconfig belonging to the app.
 	 */