[foreign-jextract] RFR: 8260705: jextract crash with libbart's types.h

[Athijegannathan Sundararajan]

Problematic cursors are filtered in TreeMaker

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Commit messages:
 - 8260705: jextract crash with libbart's types.h

Changes: https://git.openjdk.java.net/panama-foreign/pull/443/files
 Webrev: https://webrevs.openjdk.java.net/?repo=panama-foreign&pr=443&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8260705
  Stats: 113 lines in 3 files changed: 113 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/panama-foreign/pull/443.diff
  Fetch: git fetch https://git.openjdk.java.net/panama-foreign pull/443/head:pull/443

PR: https://git.openjdk.java.net/panama-foreign/pull/443