RFR: 8294456: Fix misleading-indentation warnings in JDK

[Aleksey Shipilev]

On Thu, 29 Sep 2022 13:11:03 GMT, Raffaello Giulietti <rgiulietti at openjdk.org> wrote:

> This fixes misleading indentations, which allows enabling the (currently disabled) `misleading-indentation` warning flag on two `.gmk` files.

This looks okay, but let's wait for #10426 to integrate first?

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PR: https://git.openjdk.org/jdk/pull/10487