[linux-next:master 7161/9861] security/apparmor/policy_unpack_test.c:51:15: sparse: sparse: symbol 'build_aa_ext_struct' was not declared. Should it be static?

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   de970dffa7d19eae1d703c3534825308ef8d5dec
commit: 4d944bcd4e731ab7bfe8d01a7041ea0ebdc090f1 [7161/9861] apparmor: add AppArmor KUnit tests for policy unpack
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.1-131-g22978b6b-dirty
        git checkout 4d944bcd4e731ab7bfe8d01a7041ea0ebdc090f1
        make ARCH=x86_64 allmodconfig
        make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp at intel.com>


sparse warnings: (new ones prefixed by >>)

>> security/apparmor/policy_unpack_test.c:51:15: sparse: sparse: symbol 'build_aa_ext_struct' was not declared. Should it be static?

Please review and possibly fold the followup patch.

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