RFR: 8339235: Fix indentation in build system [v2]

[Magnus Ihse Bursie]

> The indentation in the build system should be two spaces for logical indents, and four spaces for broken lines, period.
> 
> I searched for files starting with an odd number of spaces, and fixed those.

Magnus Ihse Bursie has updated the pull request incrementally with one additional commit since the last revision:

  Fix incorrect indentation type

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Changes:
  - all: https://git.openjdk.org/jdk/pull/20763/files
  - new: https://git.openjdk.org/jdk/pull/20763/files/061a80b6..7c92160e

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=20763&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=20763&range=00-01

  Stats: 6 lines in 1 file changed: 0 ins; 0 del; 6 mod
  Patch: https://git.openjdk.org/jdk/pull/20763.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/20763/head:pull/20763

PR: https://git.openjdk.org/jdk/pull/20763