Update suffix tree builder instantiation:

Author: AaronCCWong

src/viterbi/WSJPOSTagger.java

@@ -28,9 +28,9 @@ public static void main(String[] args) throws IOException {
         BigramModel bigramModel = new BigramModel(MAX_SUFFIX_LENGTH);
         bigramModel.train(trainFile);
 
-        SuffixTreeBuilder treeBuilder = new SuffixTreeBuilder(MAX_SUFFIX_LENGTH, MAX_WORD_FREQUENCY);
-        SuffixTree upperCaseTree = treeBuilder.buildUpperCaseTree(bigramModel);
-        SuffixTree lowerCaseTree = treeBuilder.buildLowerCaseTree(bigramModel);
+        SuffixTreeBuilder treeBuilder = new SuffixTreeBuilder(bigramModel, MAX_SUFFIX_LENGTH, MAX_WORD_FREQUENCY);
+        SuffixTree upperCaseTree = treeBuilder.buildUpperCaseTree();
+        SuffixTree lowerCaseTree = treeBuilder.buildLowerCaseTree();
 
         String testFilename = args[1];
         File testFile = new File(testFilename);