Request for approval for 7159016 to be fixed in jdk7u-dev/langtools

[Jim Holmlund]

- bugs.sun.com:
         http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7159016

- The patch is a simple one line fix that is the same as that in jdk 8:
        http://hg.openjdk.java.net/jdk8/tl/langtools/rev/844478076c25
   It was reviewed by Jon Gibbons. The patch has been in the tl forest of JDK 8 for 1 day.

- testing:
    - ran all the langtools/regression tests on windows
    - nightly tests run and passed

Thanks
- jjh
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