Since commit ae0e895054 (nfacct: bump to version 1.0.2, 2016-08-23) we no
longer patch configure.ac.
Cc: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>