[jdk8u-dev] RFR: 8376338: Enable Test7005594.sh to handle decimal points

[Adam Farley]

Because right now it cannot, due to bash arithmetic limitations.

Requesting a merge directly into jdk8u-dev because this file is not present in later versions, and cannot be backported.

https://bugs.openjdk.org/browse/JDK-8376338

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Commit messages:
 - 8376338: Enable Test7005594.sh to handle decimal points

Changes: https://git.openjdk.org/jdk8u-dev/pull/751/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk8u-dev&pr=751&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8376338
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk8u-dev/pull/751.diff
  Fetch: git fetch https://git.openjdk.org/jdk8u-dev.git pull/751/head:pull/751

PR: https://git.openjdk.org/jdk8u-dev/pull/751