getList already returns integer values

Author: Mark Hodge

lib/internal/Magento/Framework/Mview/View.php

@@ -285,7 +285,7 @@ public function update()
                 for ($vsFrom = $lastVersionId; $vsFrom < $currentVersionId; $vsFrom += $versionBatchSize) {
                     // Don't go past the current version for atomicy.
                     $versionTo = min($currentVersionId, $vsFrom + $versionBatchSize);
-                    $ids = array_map('intval', $this->getChangelog()->getList($vsFrom, $versionTo));
+                    $ids = $this->getChangelog()->getList($vsFrom, $versionTo);
 
                     // We run the actual indexer in batches.
                     // Chunked AFTER loading to avoid duplicates in separate chunks.