Move redisHostIndex inc to a finally

It looks like this will just retry connections to the same host if new RedisClient throws.  Move _redisHostIndex++ to a finally.

Should we also be logging when these happen?

TimberWinR/Outputs/Redis.cs

@@ -60,16 +60,17 @@ namespace TimberWinR.Outputs
                 try
                 {
                     RedisClient client = new RedisClient(_redisHosts[_redisHostIndex], _port, _timeout);
-
-                    _redisHostIndex++;
-                    if (_redisHostIndex >= _redisHosts.Length)
-                        _redisHostIndex = 0;
-
                     return client;
                 }
                 catch (Exception)
                 {
                 }
+                finally
+                {
+                    _redisHostIndex++;
+                    if (_redisHostIndex >= _redisHosts.Length)
+                        _redisHostIndex = 0;
+                }
                 numTries++;
             }