Fix so that lock files created in /tmp are removed when a directory is re-created.  This way attempts to create a new index after a crashed indexing run no longer have to manually remove lock files from /tmp.
Fix so that lock files created in /tmp are removed when a directory is
re-created.  This way attempts to create a new index after a crashed
indexing run no longer have to manually remove lock files from /tmp.


git-svn-id: 4c5078813df38efa56971a28e09a55254294f104@149991 13f79535-47bb-0310-9956-ffa450edef68

apache/solr,apache/solr,apache/solr,apache/solr,apache/solr