try to fix windows failures

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1879011 13f79535-47bb-0310-9956-ffa450edef68

src/examples/src/org/apache/poi/hpsf/examples/CopyCompare.java

@@ -163,7 +163,7 @@ public final class CopyCompare {
                 // Ensures that the directory hierarchy for a document in a POI fileystem is in place.
                 // Get the root directory. It does not have to be created since it always exists in a POIFS.
                 DirectoryEntry de = poiFs.getRoot();
-                if ("/".equals(path.toString())) {
+                if (File.separator.equals(path.toString())) {
                     de.setStorageClsid(event.getStorageClassId());
                 }