Allow NULL parameter in alpm_trans_commit

Fixes FS#7380: alpm crashes on passing NULL to alpm_trans_commit in
a sync operation.  Adds check that data parameter is not NULL in
several functions.

Signed-off-by: Allan McRae <mcrae_allan@hotmail.com>
[Dan: fix whitespace]
Signed-off-by: Dan McGee <dan@archlinux.org>

0 files changed, 0 insertions, 0 deletions