RFR: 7903148: jextract crashes when C11 keyword _Static_Assert is used in a header [v2]

[Athijegannathan Sundararajan]

> Added missing CursorKind enum value.

Athijegannathan Sundararajan has updated the pull request incrementally with one additional commit since the last revision:

  addressing review comments.

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Changes:
  - all: https://git.openjdk.java.net/jextract/pull/15/files
  - new: https://git.openjdk.java.net/jextract/pull/15/files/e73663f0..7e162c59

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jextract&pr=15&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jextract&pr=15&range=00-01

  Stats: 5 lines in 2 files changed: 4 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jextract/pull/15.diff
  Fetch: git fetch https://git.openjdk.java.net/jextract pull/15/head:pull/15

PR: https://git.openjdk.java.net/jextract/pull/15