Fix parameter types in docs

Signed-off-by: Joas Schilling <coding@schilljs.com>

apps/user_ldap/lib/User_LDAP.php

@@ -502,8 +502,8 @@ class User_LDAP extends BackendUtility implements \OCP\IUserBackend, \OCP\UserIn
 	 * Get a list of all display names
 	 *
 	 * @param string $search
-	 * @param string|null $limit
-	 * @param string|null $offset
+	 * @param int|null $limit
+	 * @param int|null $offset
 	 * @return array an array of all displayNames (value) and the corresponding uids (key)
 	 */
 	public function getDisplayNames($search = '', $limit = null, $offset = null) {

apps/user_ldap/lib/User_Proxy.php

@@ -292,8 +292,8 @@ class User_Proxy extends Proxy implements \OCP\IUserBackend, \OCP\UserInterface,
 	 * Get a list of all display names and user ids.
 	 *
 	 * @param string $search
-	 * @param string|null $limit
-	 * @param string|null $offset
+	 * @param int|null $limit
+	 * @param int|null $offset
 	 * @return array an array of all displayNames (value) and the corresponding uids (key)
 	 */
 	public function getDisplayNames($search = '', $limit = null, $offset = null) {

lib/private/User/Backend.php

@@ -143,8 +143,8 @@ abstract class Backend implements UserInterface {
 	 * Get a list of all display names and user ids.
 	 *
 	 * @param string $search
-	 * @param string|null $limit
-	 * @param string|null $offset
+	 * @param int|null $limit
+	 * @param int|null $offset
 	 * @return array an array of all displayNames (value) and the corresponding uids (key)
 	 */
 	public function getDisplayNames($search = '', $limit = null, $offset = null) {

lib/private/User/Database.php

@@ -256,8 +256,8 @@ class Database extends ABackend implements
 	 * Get a list of all display names and user ids.
 	 *
 	 * @param string $search
-	 * @param string|null $limit
-	 * @param string|null $offset
+	 * @param int|null $limit
+	 * @param int|null $offset
 	 * @return array an array of all displayNames (value) and the corresponding uids (key)
 	 */
 	public function getDisplayNames($search = '', $limit = null, $offset = null) {

lib/public/UserInterface.php

@@ -92,8 +92,8 @@ interface UserInterface {
 	 * Get a list of all display names and user ids.
 	 *
 	 * @param string $search
-	 * @param string|null $limit
-	 * @param string|null $offset
+	 * @param int|null $limit
+	 * @param int|null $offset
 	 * @return array an array of all displayNames (value) and the corresponding uids (key)
 	 * @since 4.5.0
 	 */