Add more suitable error code and reason phrase for required Content-Length request.
Add more suitable error code and reason phrase for required Content-Length request.

russpowers/Nim,dom96/Nim,tulayang/Nim,dom96/Nim,tulayang/Nim,russpowers/Nim,dom96/Nim,dom96/Nim,russpowers/Nim,russpowers/Nim,tulayang/Nim,tulayang/Nim,dom96/Nim,russpowers/Nim,russpowers/Nim,dom96/Nim,tulayang/Nim,dom96/Nim,tulayang/Nim,russpowers/Nim