Correctly report a download failiure for 404s

Currently when caling alpm_trans_commit, if fetching a package restults
in a 404 (or other non 400 response code), the function returns -1 but
errno is never set.

This patch sets errno to ALPM_ERR_RETRIEVE.

Signed-off-by: Allan McRae <allan@archlinux.org>

0 files changed, 0 insertions, 0 deletions