Moved file under lock, can't delete now empty directory, because lock still exists.

I'm looking for a work around to this problem:

I did lock a tree recursively, so I could re-factor its files. This included moving some files to their parent directory. When I committed I did not retain the locks.

Now I want to remove the now empty directories and I can't because it still reatins a lock to the already moved (deleted) file in the dir.

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Deleting       src/com/blackducksoftware/.../service
svn: Commit failed (details follow):
svn: Cannot verify lock on path '/.../src/com/blackducksoftware/.../service/Custom...Impl.java'; no matching lock-token available
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I saw this post http://svn.haxx.se/tsvn/archive-2006-12/0021.shtml and its work around fails
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svn: '.../src/com/blackducksoftware/.../service/Custom...Impl.java' is not under version control
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Now what? Any ideas what to do other than waiting for http://subversion.tigris.org/issues/show_bug.cgi?id=2507 ?
I'm desperate !
Kaj Kandler
Integration Manager
Black Duck Software, Inc.
kkandler_at_blackducksoftware.com
T: +1.781.810.1814
F: +1.781.891.5145
C: +1.781.632.5773
http://www.blackducksoftware.com/
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