Fix compilation issues

gtsam/discrete/tests/testDiscreteBayesTree.cpp

@@ -101,7 +101,7 @@ TEST(DiscreteBayesTree, ThinTree) {
   auto R = self.bayesTree->roots().front();
 
   // Check whether BN and BT give the same answer on all configurations
-  vector<DiscreteValues> allPosbValues =
+  auto allPosbValues =
       cartesianProduct(keys[0] & keys[1] & keys[2] & keys[3] & keys[4] &
                        keys[5] & keys[6] & keys[7] & keys[8] & keys[9] &
                        keys[10] & keys[11] & keys[12] & keys[13] & keys[14]);

gtsam/discrete/tests/testDiscreteMarginals.cpp

@@ -164,7 +164,7 @@ TEST_UNSAFE(DiscreteMarginals, truss2) {
   graph.add(key[2] & key[3] & key[4], "1 2 3 4 5 6 7 8");
 
   // Calculate the marginals by brute force
-  vector<DiscreteValues> allPosbValues =
+  auto allPosbValues =
       cartesianProduct(key[0] & key[1] & key[2] & key[3] & key[4]);
   Vector T = Z_5x1, F = Z_5x1;
   for (size_t i = 0; i < allPosbValues.size(); ++i) {