fix crash in kitn.createThread

src/kernel/04_environment.lua

@@ -9,7 +9,7 @@ given <https://ocdoc.cil.li/tutorial:custom_oses#what_s_available>:
 ]]
 
 
-envBase._OSVERSION = 'kitn 0.2.0-beta.4' --prefer [openloader, openos] "$name $ver" over plan9k "$name/$ver"
+envBase._OSVERSION = 'kitn 0.2.1-beta.4' --prefer [openloader, openos] "$name $ver" over plan9k "$name/$ver"
 envBase.kitn = {}
 envBase._G, envBase.load = nil
 
@@ -155,7 +155,7 @@ function fillEnv(proc, uenv)
 		local co = co_create(fn)
 		local info = processes[proc]
 		info[#info+1] = co --add it as a thread of the current process
-		runnable[co] = pack(...)
+		runqueue[co] = pack(...)
 		return co
 	end