Fixes #69 - Gather writes are broken.
Fixes #69 - Gather writes are broken.

Optimized gathered write after review.

Signed-off-by: Simone Bordet <1b808347a4282b7224660588832cfd5331220839@gmail.com>

jnr/jnr-unixsocket,jnr/jnr-unixsocket