RFR: 8347758: modules.cpp leaks string returned from get_numbered_propert_as_sorted_string() [v2]

[Zhengyu Gu]

> Modules::get_numbered_property_as_sorted_string() returns strings created from os::strdup(), callers should free them after uses.

Zhengyu Gu has updated the pull request incrementally with one additional commit since the last revision:

  Avoid copying strings

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Changes:
  - all: https://git.openjdk.org/jdk/pull/23121/files
  - new: https://git.openjdk.org/jdk/pull/23121/files/c0542c42..e4ab2bb1

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=23121&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=23121&range=00-01

  Stats: 15 lines in 1 file changed: 7 ins; 5 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/23121.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/23121/head:pull/23121

PR: https://git.openjdk.org/jdk/pull/23121