package/libapparmor: fix build with musl

Fix build of apparmor 3.0.0 with musl

Fixes:
 - http://autobuild.buildroot.org/results/ccbee89030308cf1e4bfce89635d40676c7c63a0

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
1 file changed