libsepol: add missing ibendport port validity check

The kernel checks if the port is in the range 1-255 when loading an
ibenportcon rule. Add the same check to libsepol.

Fixes: 118c0cd1038e ("libsepol: Add ibendport ocontext handling")
Signed-off-by: Ondrej Mosnacek <omosnace@redhat.com>
1 file changed