RFR: 8308410: broken compilation of test\jdk\tools\launcher\exeJliLaunchTest.c

[Adam Sotona]

JDK-8303669 patch to test\jdk\tools\launcher\exeJliLaunchTest.c broke compilation on windows.
Unfortunately MSVC does not support variable length arrays.
This patch fixes test\jdk\tools\launcher\exeJliLaunchTest.c to use dynamic array allocation.

Please review.

Thanks,
Adam

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Commit messages:
 - 8308410: broken compilation of test\jdk\tools\launcher\exeJliLaunchTest.c

Changes: https://git.openjdk.org/jdk/pull/14060/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=14060&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8308410
  Stats: 4 lines in 1 file changed: 2 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/14060.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/14060/head:pull/14060

PR: https://git.openjdk.org/jdk/pull/14060