removed the -p flag from OpenOS mkdir

repo-installer/instgen.lua

@@ -31,7 +31,7 @@ local function mkdir(path)
  if dirs[path] then return true end
  local fstr = "mkdir -p '%s'"
  if _OSVERSION:sub(1,6) == "OpenOS" then
-  fstr = "mkdir -p '%s'"
+  fstr = "mkdir '%s'"
  end
  local command = string.format(fstr,path)
  print(command)