fix return value when ldapPagingSize returns null

Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>

apps/user_ldap/lib/Jobs/Sync.php

@@ -176,10 +176,10 @@ class Sync extends TimedJob {
 			true
 		);
 
-		if($connection->ldapPagingSize === 0) {
+		if((int)$connection->ldapPagingSize === 0) {
 			return false;
 		}
-		return count($results) >= $connection->ldapPagingSize;
+		return count($results) >= (int)$connection->ldapPagingSize;
 	}
 
 	/**

apps/user_ldap/tests/Jobs/SyncTest.php

@@ -159,7 +159,8 @@ class SyncTest extends TestCase {
 			[ 3, 3, true ],
 			[ 3, 5, true ],
 			[ 3, 2, false],
-			[ 0, 4, false]
+			[ 0, 4, false],
+			[ null, 4, false]
 		];
 	}