...when e.g. FIPS mode makes ZipFile::StaticGetCipher fail by throwing an
exception which would be caught by ZipPackageStream::saveChild (in
package/source/zippackage/ZipPackageStream.cxx) alright (and translated into
bSuccess = false), if ZipFile::StaticGetCipher didn't unhelpfully swallow and
ignore all exceptions in an outer try-catch.

Change-Id: I14376128515df1dd4bdac921edd8ab94cc9b7617
Reviewed-on: https://gerrit.libreoffice.org/59514
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>