fix bug for data be undefined(when you get killed out and respawn in a new room.)

Author: XenoAmess

src/brain_memory.js

@@ -34,13 +34,17 @@ brain.addToStats = function(name) {
 };
 
 brain.handleUnexpectedDeadCreeps = function(name, creepMemory) {
-  let data = {};
+  let data = undefined;
   if (creepMemory.room) {
     data = global.data.rooms[creepMemory.room];
   } else {
     console.log(`${Game.time} ${name} handleUnexpectedDeadCreeps no creepMemory.room creepMemory: ${JSON.stringify(creepMemory)} data: ${JSON.stringify(global.data.creeps[name])}`);
   }
 
+  if (!data) {
+    data = {};
+  }
+
   debugLog(`${Game.time} ${creepMemory.room} ${name} memory hostile: ${data.hostileCreepCount}`);
   if (data.hostileCreepCount > 0) {
     debugLog('brain', `${creepMemory.room} ${name} Not in Game.creeps with hostiles lived ${Game.time - creepMemory.born} hostiles: ${data.hostileCreepCount} - I guess killed by hostile`); // eslint-disable-line max-len