hg: build-infra/jdk7: Added annotation ForceNativeHeader to trigger javah on a class.

[fredrik.ohrstrom at oracle.com]

Changeset: 7cfc8f162d58
Author:    ohrstrom
Date:      2011-11-08 22:49 +0100
URL:       http://hg.openjdk.java.net/build-infra/jdk7/rev/7cfc8f162d58

Added annotation ForceNativeHeader to trigger javah on a class.
Also fixed dependency tracking problems for native header generation.

! common/make/JavaCompilation.gmk