hg: panama/panama/jdk: Add -C for pass through argument to clang

[henry.jen at oracle.com]

Changeset: 1dc21ed9a86a
Author:    henryjen
Date:      2015-12-19 00:13 -0800
URL:       http://hg.openjdk.java.net/panama/panama/jdk/rev/1dc21ed9a86a

Add -C for pass through argument to clang

! src/jdk.dev/share/classes/com/sun/tools/jextract/Main.java