RFR: JDK-8301170: perfMemory_windows.cpp add free_security_attr to early returns

[Matthias Baesken]

The some functions in perfMemory_windows.cpp seem to miss the free_security_attr
calls in early returns.

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Commit messages:
 - JDK-8301170

Changes: https://git.openjdk.org/jdk/pull/12245/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=12245&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8301170
  Stats: 11 lines in 1 file changed: 5 ins; 4 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/12245.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/12245/head:pull/12245

PR: https://git.openjdk.org/jdk/pull/12245