Fix notice in bonus computation

diff --git a/src/executables/QueueServer.php b/src/executables/QueueServer.php
index 4b8bd7b04..2bfaff5a3 100644
--- a/src/executables/QueueServer.php
+++ b/src/executables/QueueServer.php
@@ -1528,8 +1528,8 @@ class QueueServer implements CrawlConstants
                 if (!$is_double &&
                     (!$close_exists || strcmp($state, "1") != 0) &&
                     $this->crawl_time != $timestamp) {
-                    L\crawlLog("Properly closing Index with Timestamp ".
-                        $timestamp. ".");
+                    L\crawlLog("Properly closing Index with Timestamp " .
+                        $timestamp . ".");
                     $index_archive = new IndexDocumentBundle($dir, false, null,
                         C\NUM_DOCS_PER_PARTITION);
                     touch($this->crawl_status_file_name, time());
diff --git a/src/library/index_bundle_iterators/IndexBundleIterator.php b/src/library/index_bundle_iterators/IndexBundleIterator.php
index 4042566e0..adb9dc6e5 100644
--- a/src/library/index_bundle_iterators/IndexBundleIterator.php
+++ b/src/library/index_bundle_iterators/IndexBundleIterator.php
@@ -336,7 +336,7 @@ abstract class IndexBundleIterator implements CrawlConstants
             $number_of_partitions - $num_seen_partitions :
             $num_seen_partitions - 1;
         $rank_and_bonuses = ($remaining_partitions *
-            $this->avg_items_per_partition)/
+            $avg_items_per_partition)/
             (($number_of_partitions + 1) *
             ($avg_items_per_partition + 1)) +
             $last_partition_pos / $max_items_per_partition;