Fix postinst script of sys-apps/baselayout-java

The old postinst will not work for binpkg. This CL fixes it.

BUG=b:168655853
TEST=emerge a binpkg built with EROOT=/build/whatever.
TEST=check /etc/ssl/certs/java/cacerts exists.

Change-Id: I20a1904568e69e7c59adcb9a55b9498305cb9c83
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/2566311
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Boleyn Su <boleynsu@chromium.org>
Tested-by: Boleyn Su <boleynsu@chromium.org>
Auto-Submit: Boleyn Su <boleynsu@chromium.org>
1 file changed