objectcache: fix return value type in SqlBagOStuff::incr

Change-Id: I14a70956f77f13346857236eda5c4b6fb80c6223

diff --git a/includes/objectcache/SqlBagOStuff.php b/includes/objectcache/SqlBagOStuff.php
index e450212..0c777ab 100644 (file)
--- a/includes/objectcache/SqlBagOStuff.php
+++ b/includes/objectcache/SqlBagOStuff.php
@@ -519,7 +519,7 @@ class SqlBagOStuff extends BagOStuff {
                        }
                } catch ( DBError $e ) {
                        $this->handleWriteError( $e, $db, $serverIndex );
-                       return null;
+                       return false;
                }
 
                return $newValue;