This is to fix `DomainKeyStore::engineAliases` to take into account that there may be empty keystore(s) within the collection of keystores of a domain keystore.
------------- Commit messages: - 8265765: DomainKeyStore may stop enumerating aliases if a constituting KeyStore is empty Changes: https://git.openjdk.java.net/jdk/pull/7386/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=7386&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8265765 Stats: 128 lines in 2 files changed: 121 ins; 2 del; 5 mod Patch: https://git.openjdk.java.net/jdk/pull/7386.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/7386/head:pull/7386 PR: https://git.openjdk.java.net/jdk/pull/7386
