threaded RTU/PLC bugfixes

reactor-plc/startup.lua

@@ -12,7 +12,7 @@ os.loadAPI("config.lua")
 os.loadAPI("plc.lua")
 os.loadAPI("threads.lua")
 
-local R_PLC_VERSION = "alpha-v0.4.0"
+local R_PLC_VERSION = "alpha-v0.4.1"
 
 local print = util.print
 local println = util.println
@@ -58,7 +58,7 @@ local __shared_memory = {
     -- message queues
     q = {
         mq_iss = mqueue.new(),
-        mq_comms = mqeueu.new()
+        mq_comms = mqueue.new()
     }
 }