package/minizip: fix build without openssl

Disable PKWARE traditional and WinZIP AES encryption without openssl to
avoid the following build failure due to MZ_FETCH_LIBS being set to OFF
since commit f9d31de3

Fixes:
 - http://autobuild.buildroot.org/results/ae16497bf56df9ce4be97651b5ce65f75bdf909f



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