get rid of ugly globals in DataFlowGraph

[fleet.git] / src / edu / berkeley / fleet / dataflow / SortedMergeNode.java

diff --git a/src/edu/berkeley/fleet/dataflow/SortedMergeNode.java b/src/edu/berkeley/fleet/dataflow/SortedMergeNode.java
index 4a6bea7..eade9c7 100644 (file)
--- a/src/edu/berkeley/fleet/dataflow/SortedMergeNode.java
+++ b/src/edu/berkeley/fleet/dataflow/SortedMergeNode.java
@@ -1,4 +1,5 @@
 package edu.berkeley.fleet.dataflow;
+import java.util.*;
 import edu.berkeley.fleet.loops.*;
 import edu.berkeley.fleet.api.*;