Fix clang static analyzer warnings.

frameworks/ml/bordeaux/learning/stochastic_linear_ranker/jni/jni_stochastic_linear_ranker.cpp:380:7:
warning: Value stored to 'array_len' during its initialization is never
read [clang-analyzer-deadcode.DeadStores]

frameworks/ml/bordeaux/learning/stochastic_linear_ranker/jni/jni_stochastic_linear_ranker.cpp:382:3:
warning: Value stored to 'normalizer' is never read
[clang-analyzer-deadcode.DeadStores]

Test: Warning no longer appears.
Change-Id: Ifde4fc2063825f29282cca3c4df7b5366df49b93
diff --git a/bordeaux/learning/stochastic_linear_ranker/jni/jni_stochastic_linear_ranker.cpp b/bordeaux/learning/stochastic_linear_ranker/jni/jni_stochastic_linear_ranker.cpp
index fd45eda..34709e4 100644
--- a/bordeaux/learning/stochastic_linear_ranker/jni/jni_stochastic_linear_ranker.cpp
+++ b/bordeaux/learning/stochastic_linear_ranker/jni/jni_stochastic_linear_ranker.cpp
@@ -370,16 +370,13 @@
   jobject /* thiz */,
   jobjectArray key_array_model,
   jfloatArray value_array_model,
-  jfloat normalizer,
+  jfloat /* normalizer */,
   jlong paPtr) {
 
   StochasticLinearRanker<string>* classifier = (StochasticLinearRanker<string>*) paPtr;
   SparseWeightVector<string> M_weights;
   classifier->SaveWeights(&M_weights);
   SparseWeightVector<string>::Wmap w_map = M_weights.GetMap();
-  int array_len = w_map.size();
-
-  normalizer = M_weights.GetNormalizer();
   DecomposeSparseWeightVector(env, &key_array_model, &value_array_model, &M_weights);
 }