hg: jdk7/tl/langtools: 7015482: jtreg test tools/javac/diags/MessageInfo.java fails when test/ dir is not in langtools repo

[jim.holmlund at sun.com]

Changeset: 92ab09ed59fd
Author:    jjh
Date:      2011-01-28 00:09 -0800
URL:       http://hg.openjdk.java.net/jdk7/tl/langtools/rev/92ab09ed59fd

7015482: jtreg test tools/javac/diags/MessageInfo.java fails when test/ dir is not in langtools repo
Summary: Don't fail if the needed file isn't present, if running under jtreg.
Reviewed-by: jjg

! test/tools/javac/diags/MessageInfo.java