attr: nla_is_nested() must access nla_type directly
attr: nla_is_nested() must access nla_type directly

Can't used nla_type() as it applies NLA_TYPE_MASK first

Signed-off-by: Thomas Graf <17c2d8920621522552b392f72d8fdb4d1e866b44@suug.ch>

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