Fix test-cache-mngr test
Fix test-cache-mngr test

Needs to include <netlink-private/cache-api.h>

Reported-by: Jeroen Roovers <4c4680635994df8d304c9073aaf12d1ec2b98478@gentoo.org>
Signed-off-by: Thomas Graf <17c2d8920621522552b392f72d8fdb4d1e866b44@suug.ch>

honsys/libnl,houstar/libnl,karlhiramoto/libnl,kolyshkin/libnl,teto/libnl_old,congwang/libnl,chitranshi/libnl,tgraf/libnl,teto/libnl_old,cyclops8456/libnl3,dsahern/libnl,honsys/libnl,mshirley/libnl,kolyshkin/libnl,kolyshkin/libnl,mshirley/libnl,HolyShitMan/libnl-1,tklauser/libnl,honsys/libnl,karlhiramoto/libnl,baloo/libnl,houstar/libnl,cfriedt/libnl,baloo/libnl,cfriedt/libnl,UnicronNL/libnl3,mshirley/libnl,cfriedt/libnl,dsahern/libnl,greearb/libnl-ct,thom311/libnl,thom311/libnl,teto/libnl_old,tklauser/libnl,claudelee/libnl,Distrotech/libnl,vyos/libnl3,mshirley/libnl,houstar/libnl,cyclops8456/libnl3,Distrotech/libnl,houstar/libnl,dsahern/libnl,claudelee/libnl,congwang/libnl,UnicronNL/libnl3,congwang/libnl,tklauser/libnl,tgraf/libnl,HolyShitMan/libnl-1,Distrotech/libnl,dsahern/libnl,claudelee/libnl,vyos/libnl3,karlhiramoto/libnl,claudelee/libnl,HolyShitMan/libnl-1,cfriedt/libnl,vyos/libnl3,teto/libnl_old,UnicronNL/libnl3,greearb/libnl-ct,cyclops8456/libnl3,tgraf/libnl,chitranshi/libnl,thom311/libnl,greearb/libnl-ct,kolyshkin/libnl,vyos/libnl3,chitranshi/libnl,cyclops8456/libnl3,congwang/libnl,chitranshi/libnl,HolyShitMan/libnl-1,karlhiramoto/libnl,Distrotech/libnl,honsys/libnl,UnicronNL/libnl3,baloo/libnl,tklauser/libnl,baloo/libnl,tgraf/libnl