Fix must-discard display when robber is rolled

Signed-off-by: James Ketrenos <james_eikona@ketrenos.com>

server/routes/games.js

@@ -392,9 +392,14 @@ const processRoll = (game, session, dice) => {
   } else {
     mustDiscard.forEach(player => {
       addChatMessage(game, null, `The robber was rolled and ${player.name} must discard ${player.mustDiscard} resource cards!`);
-      sendUpdateToPlayer(session, {
-        private: player
-      });
+      for (let key in game.sessions) {
+        if (game.sessions[key].player === player) {
+          sendUpdateToPlayer(game.sessions[key].player, {
+            private: player
+          });
+          break;
+        }
+      }
     });
   }
 
@@ -1327,7 +1332,7 @@ const calculateRoadLengths = (game, session) => {
       /* Do not reset the longest road! Current Longest is still longest! */
     }
   } else {
-    game.longestRoad = null;
+    game.longestRoad = false;
     game.longestRoadLength = 0;
   }
 };