ensured all tree index operators that implement IFrameWriter properly implement IFrameWriter

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_lsm_tree@1877 123451ca-8445-de46-9d55-352943316053
diff --git a/hyracks-storage-am-common/src/main/java/edu/uci/ics/hyracks/storage/am/common/dataflow/TreeIndexBulkLoadOperatorNodePushable.java b/hyracks-storage-am-common/src/main/java/edu/uci/ics/hyracks/storage/am/common/dataflow/TreeIndexBulkLoadOperatorNodePushable.java
index 240ce45..7ec009e 100644
--- a/hyracks-storage-am-common/src/main/java/edu/uci/ics/hyracks/storage/am/common/dataflow/TreeIndexBulkLoadOperatorNodePushable.java
+++ b/hyracks-storage-am-common/src/main/java/edu/uci/ics/hyracks/storage/am/common/dataflow/TreeIndexBulkLoadOperatorNodePushable.java
@@ -95,5 +95,6 @@
 
     @Override
     public void fail() throws HyracksDataException {
+        writer.fail();
     }
 }
\ No newline at end of file