RFR: Initialised i

[Jiří Vaněk]

https://github.com/judovana/jcov/commit/e2c20f0a9e94e5c7d0db51ac73f4249c02d9f58c moved the usage of `i` before its declaration. As its position aftyer i+=4 was wrong, moving before

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Commit messages:
 - Initialised i

Changes: https://git.openjdk.org/jcov/pull/60/files
  Webrev: https://webrevs.openjdk.org/?repo=jcov&pr=60&range=00
  Stats: 3 lines in 1 file changed: 1 ins; 2 del; 0 mod
  Patch: https://git.openjdk.org/jcov/pull/60.diff
  Fetch: git fetch https://git.openjdk.org/jcov.git pull/60/head:pull/60

PR: https://git.openjdk.org/jcov/pull/60