fix test for windoz os (hope not breaking semantic)

git-svn-id: https://svn.apache.org/repos/asf/archiva/branches/archiva-1.3.x@1562340 13f79535-47bb-0310-9956-ffa450edef68

archiva-modules/archiva-base/archiva-consumers/archiva-core-consumers/src/test/java/org/apache/maven/archiva/consumers/core/repository/CleanupReleasedSnapshotsRepositoryPurgeTest.java

@@ -137,6 +137,9 @@ public class CleanupReleasedSnapshotsRepositoryPurgeTest
         listenerControl.replay();
 
         File file = new File( repoRoot, INDEX_PATH );
+        // windows fix
+        file.mkdirs();
+        
         file.createNewFile();
         assertTrue( file.exists() );