typos in o.a.g.k.config.IOUtil.recursiveCopy()

[anita kulshreshtha]

Hi,
    I came across some typos in o.a.g.k.config.IOUtil.recursiveCopy()-
...........................................
 if (srcDir == null)  throw new NullPointerException("sourceDir is
null");
        if (srcDir == null)  throw new NullPointerException("destDir is
null");
.....................................................................
   if (destDir.equals(destDir)) {
            throw new IllegalArgumentException("Source and destination
directory are the same " + srcDir);
        }
......................................................................

Thanks
Anita

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