Fixes to Mac test

.../Output/Gold/nps-2009-canon2-gen5_SequentialTraversal.txt

.../Gold/nps-2009-canon2-gen5_SequentialTraversal_Sorted.txt

...est/Output/Gold/nps-2009-canon2-gen5_TopDownTraversal.txt

...put/Gold/nps-2009-canon2-gen5_TopDownTraversal_Sorted.txt

.../java/test/Output/Gold/ntfs1-gen2_SequentialTraversal.txt

...est/Output/Gold/ntfs1-gen2_SequentialTraversal_Sorted.txt

...ngs/java/test/Output/Gold/ntfs1-gen2_TopDownTraversal.txt

...a/test/Output/Gold/ntfs1-gen2_TopDownTraversal_Sorted.txt

...ava/test/org/sleuthkit/datamodel/SequentialTraversal.java

...s/java/test/org/sleuthkit/datamodel/TopDownTraversal.java