HADOOP-2160.  Fix build to fail when forrest fails.
HADOOP-2160.  Fix build to fail when forrest fails.

git-svn-id: 4d48d1092ee340c9ada5711cdbe4355b138bc22b@601518 13f79535-47bb-0310-9956-ffa450edef68

awylie/hadoop,awylie/hadoop,awylie/hadoop,awylie/hadoop,awylie/hadoop,awylie/hadoop,awylie/hadoop,awylie/hadoop,awylie/hadoop,awylie/hadoop