hg: panama/dev: 8211319: jextract fails to extract /usr/include/stdio.h on Linux

[sundararajan.athijegannathan at oracle.com]

Changeset: faf350669b0e
Author:    sundar
Date:      2018-10-04 03:52 -0700
URL:       http://hg.openjdk.java.net/panama/dev/rev/faf350669b0e

8211319: jextract fails to extract /usr/include/stdio.h on Linux
Reviewed-by: mcimadamore

! src/jdk.jextract/share/classes/com/sun/tools/jextract/TypedefHandler.java
+ test/jdk/com/sun/tools/jextract/stdio/StdioTest.java