Missed a bit in the refactor.

Author: Craigacp

tensorflow-core/tensorflow-core-api/src/main/java/org/tensorflow/SavedModelBundle.java

@@ -468,7 +468,7 @@ public List<SessionFunction> functions() {
    * @return list of output tensors, mapped by the signature name
    * @throws IllegalArgumentException if no function can be selected by default
    */
-  public Map<String, Tensor> call(Map<String, Tensor> arguments) {
+  public Result call(Map<String, Tensor> arguments) {
     SessionFunction function = null;
     if (functions.size() == 1) {
       function = functions.values().iterator().next();

tensorflow-core/tensorflow-core-api/src/test/java/org/tensorflow/SavedModelBundleTest.java

@@ -215,7 +215,7 @@ public void exportFunctionWithVariables() throws IOException {
         // Now call the same function directly from the model
         try (TFloat32 zTensor =
             (TFloat32)
-                savedModel.call(Collections.singletonMap("input", xTensor)).get("reducedSum")) {
+                savedModel.call(Collections.singletonMap("input", xTensor)).get("reducedSum").get()) {
           assertEquals(reducedSum, zTensor.getFloat(), EPSILON);
         }
       }