Fixing NullPointerException in tests.

Jean-Noel Rouvignac

05.51.2013 549048acdc1a5802fe4d3070baec46b632b66db6

 opends/tests/unit-tests-testng/src/server/org/opends/server/replication/server/ReplServerFakeConfiguration.java

@@ -78,7 +78,7 @@
      int queueSize, int windowSize, SortedSet<String> servers)
  {
    this.port    = port;
    this.dirName = dirName;
    this.dirName = dirName != null ? dirName : "changelogDb";

    if (purgeDelay == 0)
    {