Convert gai strerror to Lua string.
Convert gai strerror to Lua string.

YuanPeir-Chen/turbo-support-mipsel,mniestroj/turbo,zcsteele/turbo,kernelsauce/turbo,ddysher/turbo,luastoned/turbo,luastoned/turbo,YuanPeir-Chen/turbo-support-mipsel,ddysher/turbo,zcsteele/turbo