[jdk11u-dev] RFR: 8213265: fix missing newlines at end of files

[Goetz Lindenmaier]

I backport this for parity with 11.0.19-oracle.

-------------

Commit messages:
 - Backport 72bfdd96f1499ab25081676e9725734a85fd6aa1

Changes: https://git.openjdk.org/jdk11u-dev/pull/1764/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1764&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8213265
  Stats: 8 lines in 8 files changed: 0 ins; 0 del; 8 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1764.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev pull/1764/head:pull/1764

PR: https://git.openjdk.org/jdk11u-dev/pull/1764