moved the creation of a sink fd into createterms

module/createterms.lua

@@ -6,3 +6,12 @@ for a,_ in component.list("gpu") do
  local r,w = vtemu(a,table.remove(ts,1))
  fd[#fd+1] = {["read"]=r,["write"]=w,["close"]=function() w("\27[2J\27[H") end,["t"]="t"}
 end
+if #fd < 1 then
+ local fdi,nfd = io.newfd()
+ function nfd.read()
+ end
+ function nfd.write()
+ end
+ function nfd.close()
+ end
+end

module/io.lua

@@ -63,12 +63,3 @@ function io.open(f,m) -- opens file *f* with mode *m*
  return t
 end
 end
-do
- local fdi,nfd = io.newfd()
- function nfd.read()
- end
- function nfd.write()
- end
- function nfd.close()
- end
-end