Fix: Redirect stderr did not truncate existing file.
Fix: Redirect stderr did not truncate existing file.

tsuyoshicho/nyagos,kissthink/nyagos,hattya/nyagos,kissthink/nyagos,kissthink/nyagos,hattya/nyagos,hattya/nyagos,zetamatta/nyagos,nocd5/nyagos,tyochiai/nyagos