[foreign] RFR 8221177: Jextract should levarage file system specific path constraints when matching header paths

[Jorn Vernee]

Hi,

This is an RFR for earlier discussed changes for file system specific 
path matching: 
https://mail.openjdk.java.net/pipermail/panama-dev/2019-March/004975.html

Bug: https://bugs.openjdk.java.net/browse/JDK-8221177
Webrev: 
http://cr.openjdk.java.net/~jvernee/panama/webrevs/caps/webrev.00/

Thanks,
Jorn