Fix from comment. We need to throw an exception if the voting pool is…

… not odd

dyno-recipes/src/main/java/com/netflix/dyno/recipes/lock/VotingHostsFromTokenRange.java

@@ -64,7 +64,7 @@ public CircularList<Host> getVotingHosts() {
                 numHosts.put(rack, v);
                 calculatedVotingSize.addAndGet(v);
             }
-            if(numHostsRequired.get() != 0) {
+            if(calculatedVotingSize.get() % 2 == 0) {
                 throw new IllegalStateException("Could not construct voting pool. Min number of hosts not met!");
             }
             Map<String, List<HostToken>> rackToHostToken = allHostTokens.stream()