Applied required casts in jdk.crypto.ec for the upcoming warning. Verified by cherry-picking @asotona's patch.
------------- Commit messages: - 8286389: Address possibly lossy conversions in jdk.crypto.ec Changes: https://git.openjdk.org/jdk/pull/9203/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=9203&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8286389 Stats: 3 lines in 2 files changed: 0 ins; 0 del; 3 mod Patch: https://git.openjdk.org/jdk/pull/9203.diff Fetch: git fetch https://git.openjdk.org/jdk pull/9203/head:pull/9203 PR: https://git.openjdk.org/jdk/pull/9203
