Fix failure of RedisTicketService to determine hasTicket

releases.moxie

     - Fix intermittent NPE in determining commit date in RefModel (issue-401)
     - Fix closing ticket on push by parsing commit messages for closes|fixes (issue-404)
     - Ensure the Lucene ticket index is updated on repository deletion.
+    - Fixed failure to properly determine hasTicket in RedisTicketService
     changes:
     - Specify the --dailyLogFile option for the Ubuntu and CentOS service scripts (issue-348)
     - Improve logging for missing LDAP uid attribute when synchronizing (issue-394)

src/main/java/com/gitblit/tickets/RedisTicketService.java

 		}
 		try {
 			Boolean exists = jedis.exists(key(repository, KeyType.journal, ticketId));
-			return exists != null && !exists;
+			return exists != null && exists;
 		} catch (JedisException e) {
 			log.error("failed to check hasTicket from Redis @ " + getUrl(), e);
 			pool.returnBrokenResource(jedis);