Move spawn to global for raw server binary

ygopro-server.coffee

@@ -1290,6 +1290,9 @@ SOCKET_flush_data = global.SOCKET_flush_data = (sk, datas) ->
     await ygopro.helper.send(sk, buffer)
   return true
 
+global.rawSpawn = (param) ->
+  spawn './ygopro', param, {cwd: 'ygopro'}
+
 class Room
   constructor: (name, @hostinfo) ->
     @name = name
@@ -1467,7 +1470,7 @@ class Room
       param.push(firstSeedBuf.toString('base64'))
 
     try
-      @process = spawn './ygopro', param, {cwd: 'ygopro'}
+      @process = global.rawSpawn param
       @process_pid = @process.pid
       @process.on 'error', (err)=>
         log.warn 'CREATE ROOM ERROR', err

ygopro-server.js

@@ -1700,6 +1700,12 @@
     return true;
   };
 
+  global.rawSpawn = function(param) {
+    return spawn('./ygopro', param, {
+      cwd: 'ygopro'
+    });
+  };
+
   Room = class Room {
     constructor(name, hostinfo) {
       var death_time, draw_count, duel_rule, extra_mode_func, lflist, param, rule, start_hand, start_lp, time_limit;
@@ -1901,9 +1907,7 @@
         param.push(firstSeedBuf.toString('base64'));
       }
       try {
-        this.process = spawn('./ygopro', param, {
-          cwd: 'ygopro'
-        });
+        this.process = global.rawSpawn(param);
         this.process_pid = this.process.pid;
         this.process.on('error', (err) => {
           log.warn('CREATE ROOM ERROR', err);