nfacct: modify nfacct_snprint output
nfacct: modify nfacct_snprint output

Now it looks like:

{ pkts = 00000000000000000000, bytes = 00000000000000000000 } = test1;
{ pkts = 00000000000000000000, bytes = 00000000000000000000 } = test2;

Signed-off-by: Pablo Neira Ayuso <707d14912bb250caf67dfe0ea4035681fbfc4f56@netfilter.org>

Distrotech/libnetfilter_acct,Distrotech/libnetfilter_acct